diff --git a/ios/chrome/browser/autofill/autofill_controller_js_unittest.mm b/ios/chrome/browser/autofill/autofill_controller_js_unittest.mm
index 8ee5c090401b01..e4a0a3b867f62f 100644
--- a/ios/chrome/browser/autofill/autofill_controller_js_unittest.mm
+++ b/ios/chrome/browser/autofill/autofill_controller_js_unittest.mm
@@ -36,7 +36,7 @@
 struct ElementByName {
   // The name of the element.
   const char* element_name;
-  // The index in the elements that have |element_name|.
+  // The index in the elements that have `element_name`.
   const int index;
   // The option index if the element is a select, -1 otherwise.
   const int option_index;
@@ -62,7 +62,7 @@
   return query;
 }
 
-// Generates an array of JavaScripts that get each element in |elements| by
+// Generates an array of JavaScripts that get each element in `elements` by
 // name.
 NSArray* GetElementsByNameJavaScripts(const ElementByName elements[],
                                       size_t elements_size) {
@@ -130,7 +130,7 @@
   EXTRACT_VALUE = 1 << 0,        // Extract value from WebFormControlElement.
   EXTRACT_OPTION_TEXT = 1 << 1,  // Extract option text from
                                  // WebFormSelectElement. Only valid when
-                                 // |EXTRACT_VALUE| is set.
+                                 // `EXTRACT_VALUE` is set.
                                  // This is used for form submission where
                                  // human readable value is captured.
   EXTRACT_OPTIONS = 1 << 2,      // Extract options from
@@ -141,7 +141,7 @@
     EXTRACT_NONE, EXTRACT_VALUE, EXTRACT_OPTION_TEXT, EXTRACT_OPTIONS,
 };
 
-// Gets the attributes to check for a mask in |kFormExtractMasks|.
+// Gets the attributes to check for a mask in `kFormExtractMasks`.
 NSArray* GetFormFieldAttributeListsToCheck(NSUInteger mask) {
   if (!(mask & EXTRACT_VALUE)) {
     return @[
@@ -736,14 +736,14 @@
 
 // clang-format on
 
-// Generates JavaScripts to check a JavaScripts object |results| with the
-// expected values given in |expected|, which is a dictionary with string
+// Generates JavaScripts to check a JavaScripts object `results` with the
+// expected values given in `expected`, which is a dictionary with string
 // values for all the keys other than @"option_vaues" and @"option_contents";
 // the values of @"option_vaues" and @"option_contents" are arrays of
-// strings or undefined. Only attributes in |attributes_to_check| are checked.
-// A different expected value is chosen in |expected| for different
-// |extract_mask|.
-// |index| is the index of the control element in the form. If it is >0, it will
+// strings or undefined. Only attributes in `attributes_to_check` are checked.
+// A different expected value is chosen in `expected` for different
+// `extract_mask`.
+// `index` is the index of the control element in the form. If it is >0, it will
 // be used to generate a name for nameless elements.
 NSString* GenerateElementItemVerifyingJavaScripts(NSString* results,
                                                   NSUInteger extract_mask,
@@ -789,11 +789,11 @@
   return [verifying_javascripts componentsJoinedByString:@"&&"];
 }
 
-// Generates JavaScripts to check a JavaScripts array |results| with the
-// expected values given in |expected|, which is an array of dictionaries; each
-// dictionary is the expected values of the corresponding item in |results|.
-// Only attributes in |attributes_to_check| are checked. A different expected
-// value is chosen in |expected| for different |extract_mask|.
+// Generates JavaScripts to check a JavaScripts array `results` with the
+// expected values given in `expected`, which is an array of dictionaries; each
+// dictionary is the expected values of the corresponding item in `results`.
+// Only attributes in `attributes_to_check` are checked. A different expected
+// value is chosen in `expected` for different `extract_mask`.
 NSString* GenerateTestItemVerifyingJavaScripts(NSString* results,
                                                NSUInteger extract_mask,
                                                NSArray* expected,
@@ -842,60 +842,60 @@
     return main_frame;
   }
 
-  // Helper method that EXPECTs |javascript| evaluation on page
-  // |kHTMLForTestingElements| with expectation given by
-  // |elements_with_true_expected|.
+  // Helper method that EXPECTs `javascript` evaluation on page
+  // `kHTMLForTestingElements` with expectation given by
+  // `elements_with_true_expected`.
   void TestExecutingBooleanJavaScriptOnElement(
       NSString* javascript,
       const ElementByName elements_with_true_expected[],
       size_t size_elements_with_true_expected);
 
   // Helper method that EXPECTs
-  // |__gCrWeb.fill.webFormControlElementToFormField|. This method applies
-  // |__gCrWeb.fill.webFormControlElementToFormField| on each element in
-  // |test_data| with all possible extract masks and verify the results.
+  // `__gCrWeb.fill.webFormControlElementToFormField`. This method applies
+  // `__gCrWeb.fill.webFormControlElementToFormField` on each element in
+  // `test_data` with all possible extract masks and verify the results.
   void TestWebFormControlElementToFormField(NSArray* test_data,
                                             NSString* tag_name);
 
-  // Helper method for testing |javascripts_statement| that evalutate
-  // |attribute_name| of the elements in |test_data| which has tag name
-  // |tag_name|. EXPECTs JavaScript evaluation on
+  // Helper method for testing `javascripts_statement` that evalutate
+  // `attribute_name` of the elements in `test_data` which has tag name
+  // `tag_name`. EXPECTs JavaScript evaluation on
   // "window.document.getElementsByTagName()"
   void TestInputElementDataEvaluation(NSString* javascripts_statement,
                                       NSString* attribute_name,
                                       NSArray* test_data,
                                       NSString* tag_name);
 
-  // Helper method that EXPECTs |__gCrWeb.fill.webFormElementToFormData| on
-  // a form element obtained by |get_form_element_javascripts|. The results
-  // are verified with |verifying_java_scripts|.
+  // Helper method that EXPECTs `__gCrWeb.fill.webFormElementToFormData` on
+  // a form element obtained by `get_form_element_javascripts`. The results
+  // are verified with `verifying_java_scripts`.
   void TestWebFormElementToFormDataForOneForm(
       NSString* get_form_element_javascripts,
       NSUInteger extract_mask,
       NSString* expected_result,
       NSString* verifying_javascripts);
 
-  // EXPECTs |__gCrWeb.fill.webFormElementToFormData| on all the test data.
+  // EXPECTs `__gCrWeb.fill.webFormElementToFormData` on all the test data.
   void TestWebFormElementToFormData(NSArray* test_items);
 
-  // EXPECTs |__gCrWeb.autofill.extractNewForms| on |html|.
+  // EXPECTs `__gCrWeb.autofill.extractNewForms` on `html`.
   void TestExtractNewForms(NSString* html,
                            BOOL is_origin_window_location,
                            NSArray* expected_items);
 
-  // Helper method that EXPECTs the |java_script| evaluation results on each
-  // element obtained by JavaScripts in |get_element_java_scripts|. The
+  // Helper method that EXPECTs the `java_script` evaluation results on each
+  // element obtained by JavaScripts in `get_element_java_scripts`. The
   // expected results are boolean and are true only for elements in
-  // |get_element_java_scripts_expecting_true| which is subset of
-  // |get_element_java_scripts|.
+  // `get_element_java_scripts_expecting_true` which is subset of
+  // `get_element_java_scripts`.
   void ExecuteBooleanJavaScriptOnElementsAndCheck(
       NSString* java_script,
       NSArray* get_element_java_scripts,
       NSArray* get_element_java_scripts_expecting_true);
 
-  // Helper method that EXPECTs the |java_script| evaluation results on each
-  // element obtained by scripts in |get_element_javas_cripts|; the expected
-  // result is the corresponding entry in |expected_results|.
+  // Helper method that EXPECTs the `java_script` evaluation results on each
+  // element obtained by scripts in `get_element_javas_cripts`; the expected
+  // result is the corresponding entry in `expected_results`.
   void ExecuteJavaScriptOnElementsAndCheck(NSString* java_script,
                                            NSArray* get_element_java_scripts,
                                            NSArray* expected_results);
@@ -910,7 +910,7 @@ void ExecuteJavaScriptOnElementsAndCheck(NSString* java_script,
     NSString* javascript,
     const ElementByName elements_with_true_expected[],
     size_t size_elements_with_true_expected) {
-  // Elements in |kHTMLForTestingElements|.
+  // Elements in `kHTMLForTestingElements`.
   const ElementByName elementsByName[] = {
       {"hl", 0, -1},
       {"firstname", 0, -1},
@@ -1443,9 +1443,9 @@ void ExecuteJavaScriptOnElementsAndCheck(NSString* java_script,
                                       "@')[%" PRIuNS "]",
                                      tag_name, i - 1];
       NSDictionary* expected = [test_data objectAtIndex:i];
-      // Generates JavaScripts to verify the results. Parameter |results| is
+      // Generates JavaScripts to verify the results. Parameter `results` is
       // @"field" as in the evaluation JavaScripts the results are returned in
-      // |field|.
+      // `field`.
       NSString* verifying_javascripts = GenerateElementItemVerifyingJavaScripts(
           @"field", extract_mask, expected, attributes_to_check, -1);
       EXPECT_NSEQ(
@@ -1774,7 +1774,7 @@ void ExecuteJavaScriptOnElementsAndCheck(NSString* java_script,
   autofill::FormUtilJavaScriptFeature::GetInstance()
       ->SetUpForUniqueIDsWithInitialState(main_frame, next_available_id);
 
-  // Wait for |SetUpForUniqueIDsWithInitialState| to complete.
+  // Wait for `SetUpForUniqueIDsWithInitialState` to complete.
   ASSERT_TRUE(WaitUntilConditionOrTimeout(kWaitForJSCompletionTimeout, ^bool {
     return [web::test::ExecuteJavaScript(@"document[__gCrWeb.fill.ID_SYMBOL]",
                                          web_state()) intValue] ==
@@ -1976,7 +1976,7 @@ void ExecuteJavaScriptOnElementsAndCheck(NSString* java_script,
   autofill::FormUtilJavaScriptFeature::GetInstance()
       ->SetUpForUniqueIDsWithInitialState(main_frame, next_available_id);
 
-  // Wait for |SetUpForUniqueIDsWithInitialState| to complete.
+  // Wait for `SetUpForUniqueIDsWithInitialState` to complete.
   ASSERT_TRUE(WaitUntilConditionOrTimeout(kWaitForJSCompletionTimeout, ^bool {
     return [web::test::ExecuteJavaScript(@"document[__gCrWeb.fill.ID_SYMBOL]",
                                          web_state()) intValue] ==
diff --git a/ios/chrome/browser/autofill/autofill_controller_unittest.mm b/ios/chrome/browser/autofill/autofill_controller_unittest.mm
index 2efff62d1ae1dc..2ca52af457a4f5 100644
--- a/ios/chrome/browser/autofill/autofill_controller_unittest.mm
+++ b/ios/chrome/browser/autofill/autofill_controller_unittest.mm
@@ -140,8 +140,8 @@ - (void)onNoSuggestionsAvailable {
 NSString* const kCreditCardAutofocusFormHtml =
     @"<form><input type=\"text\" autofocus autocomplete=\"cc-number\"></form>";
 
-// FAIL if a field with the supplied |name| and |fieldType| is not present on
-// the |form|.
+// FAIL if a field with the supplied `name` and `fieldType` is not present on
+// the `form`.
 void CheckField(const FormStructure& form,
                 ServerFieldType fieldType,
                 const char* name) {
@@ -223,16 +223,16 @@ void OnWebDataServiceRequestDone(
   void SetUpKeyValueData();
 
   // Blocks until suggestion retrieval has completed.
-  // If |wait_for_trigger| is yes, wait for the call to
-  // |retrieveSuggestionsForForm| to avoid considering a former call.
+  // If `wait_for_trigger` is yes, wait for the call to
+  // `retrieveSuggestionsForForm` to avoid considering a former call.
   void WaitForSuggestionRetrieval(BOOL wait_for_trigger);
 
-  // Blocks until |expected_size| forms have been fecthed.
+  // Blocks until `expected_size` forms have been fetched.
   [[nodiscard]] bool WaitForFormFetched(BrowserAutofillManager* manager,
                                         size_t expected_number_of_forms);
 
   // Loads the page and wait until the initial form processing has been done.
-  // This processing must find |expected_size| forms.
+  // This processing must find `expected_size` forms.
   [[nodiscard]] bool LoadHtmlAndWaitForFormFetched(
       NSString* html,
       size_t expected_number_of_forms);
@@ -591,9 +591,9 @@ void OnWebDataServiceRequestDone(
   // No value should be returned before anything is loaded via form submission.
   ASSERT_EQ(0U, consumer.result_.size());
   web::test::ExecuteJavaScript(@"submit.click()", web_state());
-  // We can't make |consumer| a __block variable because TestConsumer lacks copy
+  // We can't make `consumer` a __block variable because TestConsumer lacks copy
   // construction. We just pass a pointer instead as we know that the callback
-  // is executed within the life-cyle of |consumer|.
+  // is executed within the life-cyle of `consumer`.
   TestConsumer* consumer_ptr = &consumer;
   WaitForCondition(^bool {
     web_data_service->GetFormValuesForElementName(u"greeting", std::u16string(),
diff --git a/ios/chrome/browser/autofill/autofill_java_script_feature_unittest.mm b/ios/chrome/browser/autofill/autofill_java_script_feature_unittest.mm
index 1de79f88425270..95ee5322dee83f 100644
--- a/ios/chrome/browser/autofill/autofill_java_script_feature_unittest.mm
+++ b/ios/chrome/browser/autofill/autofill_java_script_feature_unittest.mm
@@ -105,7 +105,7 @@ void LoadHtml(NSString* html) {
     autofill::FormUtilJavaScriptFeature::GetInstance()
         ->SetUpForUniqueIDsWithInitialState(main_frame, next_available_id);
 
-    // Wait for |SetUpForUniqueIDsWithInitialState| to complete.
+    // Wait for `SetUpForUniqueIDsWithInitialState` to complete.
     ASSERT_TRUE(WaitUntilConditionOrTimeout(kWaitForJSCompletionTimeout, ^bool {
       return [web::test::ExecuteJavaScript(@"document[__gCrWeb.fill.ID_SYMBOL]",
                                            web_state()) intValue] ==
@@ -147,7 +147,7 @@ void RunFormsSearch() {
   std::unique_ptr<web::WebState> web_state_;
 };
 
-// Tests that |hasBeenInjected| returns YES after |inject| call.
+// Tests that `hasBeenInjected` returns YES after `inject` call.
 TEST_F(AutofillJavaScriptFeatureTest, InitAndInject) {
   LoadHtml(@"<html></html>");
   EXPECT_NSEQ(@"object", web::test::ExecuteJavaScript(
diff --git a/ios/chrome/browser/autofill/autofill_tab_helper.h b/ios/chrome/browser/autofill/autofill_tab_helper.h
index 39fe06980d7fba..009ab3a5961f8b 100644
--- a/ios/chrome/browser/autofill/autofill_tab_helper.h
+++ b/ios/chrome/browser/autofill/autofill_tab_helper.h
@@ -32,7 +32,7 @@ class AutofillTabHelper : public web::WebStateObserver,
 
   ~AutofillTabHelper() override;
 
-  // Create an AutofillTabHelper and attaches it to the given |web_state|.
+  // Create an AutofillTabHelper and attaches it to the given `web_state`.
   static void CreateForWebState(
       web::WebState* web_state,
       password_manager::PasswordManager* password_manager);
diff --git a/ios/chrome/browser/autofill/form_input_accessory_view_handler.mm b/ios/chrome/browser/autofill/form_input_accessory_view_handler.mm
index b9864b60020b8c..80366494a2844b 100644
--- a/ios/chrome/browser/autofill/form_input_accessory_view_handler.mm
+++ b/ios/chrome/browser/autofill/form_input_accessory_view_handler.mm
@@ -55,8 +55,8 @@ FormInputAccessoryAction UMAActionForAssistAction(NSString* assistAction) {
 
 namespace {
 
-// Finds all views of a particular kind if class |aClass| in the subview
-// hierarchy of the given |root| view.
+// Finds all views of a particular kind if class `aClass` in the subview
+// hierarchy of the given `root` view.
 NSArray* SubviewsWithClass(UIView* root, Class aClass) {
   DCHECK(root);
   NSMutableArray* viewsToExamine = [NSMutableArray arrayWithObject:root];
@@ -74,7 +74,7 @@ FormInputAccessoryAction UMAActionForAssistAction(NSString* assistAction) {
   return subviews;
 }
 
-// Returns true if |item|'s action name contains |actionName|.
+// Returns true if `item`'s action name contains `actionName`.
 BOOL ItemActionMatchesName(UIBarButtonItem* item, NSString* actionName) {
   SEL itemAction = [item action];
   if (!itemAction)
@@ -85,9 +85,9 @@ BOOL ItemActionMatchesName(UIBarButtonItem* item, NSString* actionName) {
   return [itemActionName rangeOfString:actionName].location != NSNotFound;
 }
 
-// Finds all UIToolbarItems associated with a given UIToolbar |toolbar| with
+// Finds all UIToolbarItems associated with a given UIToolbar `toolbar` with
 // action selectors with a name that contains the action name specified by
-// |actionName|.
+// `actionName`.
 NSArray* FindToolbarItemsForActionName(UIToolbar* toolbar,
                                        NSString* actionName) {
   NSMutableArray* toolbarItems = [NSMutableArray array];
@@ -101,7 +101,7 @@ BOOL ItemActionMatchesName(UIBarButtonItem* item, NSString* actionName) {
 }
 
 // Finds all UIToolbarItem(s) with action selectors of the name specified by
-// |actionName| in any UIToolbars in the view hierarchy below |root|.
+// `actionName` in any UIToolbars in the view hierarchy below `root`.
 NSArray* FindDescendantToolbarItemsForActionName(UIView* root,
                                                  NSString* actionName) {
   NSMutableArray* descendants = [NSMutableArray array];
@@ -116,7 +116,7 @@ BOOL ItemActionMatchesName(UIBarButtonItem* item, NSString* actionName) {
 }
 
 // Finds all UIBarButtonItem(s) with action selectors of the name specified by
-// |actionName| in the UITextInputAssistantItem passed.
+// `actionName` in the UITextInputAssistantItem passed.
 NSArray* FindDescendantToolbarItemsForActionName(
     UITextInputAssistantItem* inputAssistantItem,
     NSString* actionName) {
diff --git a/ios/chrome/browser/autofill/form_input_egtest.mm b/ios/chrome/browser/autofill/form_input_egtest.mm
index 20f143babc3493..34e4c121817952 100644
--- a/ios/chrome/browser/autofill/form_input_egtest.mm
+++ b/ios/chrome/browser/autofill/form_input_egtest.mm
@@ -42,7 +42,7 @@
   return result.is_string() ? base::SysUTF8ToNSString(result.GetString()) : @"";
 }
 
-// Verifies that |elementId| is the selected element in the web page.
+// Verifies that `elementId` is the selected element in the web page.
 void AssertElementIsFocused(const std::string& element_id) {
   NSString* description =
       [NSString stringWithFormat:@"Timeout waiting for the focused element in "
diff --git a/ios/chrome/browser/autofill/form_input_navigator.h b/ios/chrome/browser/autofill/form_input_navigator.h
index f03704f41df199..6d114d2aa5b1b8 100644
--- a/ios/chrome/browser/autofill/form_input_navigator.h
+++ b/ios/chrome/browser/autofill/form_input_navigator.h
@@ -30,9 +30,9 @@
 
 // Called when updating the keyboard view. Checks if the page contains a next
 // and a previous element.
-// |completionHandler| is called with 2 bools, the first indicating if a
+// `completionHandler` is called with 2 bools, the first indicating if a
 // previous element was found, and the second indicating if a next element was
-// found. |completionHandler| cannot be nil.
+// found. `completionHandler` cannot be nil.
 - (void)fetchPreviousAndNextElementsPresenceWithCompletionHandler:
     (void (^)(bool, bool))completionHandler;
 
diff --git a/ios/chrome/browser/autofill/form_input_suggestions_provider.h b/ios/chrome/browser/autofill/form_input_suggestions_provider.h
index fbb39f3016f1e8..f1aae1e3ab8e32 100644
--- a/ios/chrome/browser/autofill/form_input_suggestions_provider.h
+++ b/ios/chrome/browser/autofill/form_input_suggestions_provider.h
@@ -38,7 +38,7 @@ typedef void (^FormSuggestionsReadyCompletion)(
 @property(nonatomic, readonly) SuggestionProviderType type;
 
 // Asynchronously retrieves form suggestions from this provider for the
-// specified form/field and returns it via |accessoryViewUpdateBlock|. View
+// specified form/field and returns it via `accessoryViewUpdateBlock`. View
 // will be nil if no accessories are available from this provider.
 - (void)retrieveSuggestionsForForm:(const autofill::FormActivityParams&)params
                           webState:(web::WebState*)webState
diff --git a/ios/chrome/browser/autofill/form_structure_browsertest.mm b/ios/chrome/browser/autofill/form_structure_browsertest.mm
index 8618e42977e215..24722a4d8c71c7 100644
--- a/ios/chrome/browser/autofill/form_structure_browsertest.mm
+++ b/ios/chrome/browser/autofill/form_structure_browsertest.mm
@@ -138,7 +138,7 @@
   // DataDrivenTest:
   void GenerateResults(const std::string& input, std::string* output) override;
 
-  // Serializes the given |forms| into a string.
+  // Serializes the given `forms` into a string.
   std::string FormStructuresToString(
       const std::map<FormGlobalId, std::unique_ptr<FormStructure>>& forms);
 
@@ -261,7 +261,7 @@
   autofill::FormUtilJavaScriptFeature::GetInstance()
       ->SetUpForUniqueIDsWithInitialState(main_frame, next_available_id);
 
-  // Wait for |SetUpForUniqueIDsWithInitialState| to complete.
+  // Wait for `SetUpForUniqueIDsWithInitialState` to complete.
   return WaitUntilConditionOrTimeout(kWaitForJSCompletionTimeout, ^bool {
     return [web::test::ExecuteJavaScript(@"document[__gCrWeb.fill.ID_SYMBOL]",
                                          web_state()) intValue] ==
@@ -312,7 +312,7 @@
       }
 
       // Normalize the section by replacing the unique but platform-dependent
-      // integers in |field->section| with consecutive unique integers.
+      // integers in `field->section` with consecutive unique integers.
       // The section string is of the form "fieldname_id1_id2-suffix", where
       // id1, id2 are platform-dependent and thus need to be substituted.
       size_t last_underscore = section.find_last_of('_');
diff --git a/ios/chrome/browser/autofill/form_suggestion_controller.h b/ios/chrome/browser/autofill/form_suggestion_controller.h
index ce017ba9c6add3..edf6bba95d2773 100644
--- a/ios/chrome/browser/autofill/form_suggestion_controller.h
+++ b/ios/chrome/browser/autofill/form_suggestion_controller.h
@@ -30,7 +30,7 @@ class WebState;
 
 // Initializes a new FormSuggestionController with the specified WebState and a
 // list of FormSuggestionProviders.
-// When suggestions are required for an input field, the |providers| will be
+// When suggestions are required for an input field, the `providers` will be
 // asked (in order) if they can handle the field; the first provider to return
 // YES from [FormSuggestionProvider canProviderSuggestionsForForm:field:] will
 // be expected to provide those suggestions using [FormSuggestionProvider
diff --git a/ios/chrome/browser/autofill/form_suggestion_controller.mm b/ios/chrome/browser/autofill/form_suggestion_controller.mm
index 755f9b9fc22b8b..e0610203b954d4 100644
--- a/ios/chrome/browser/autofill/form_suggestion_controller.mm
+++ b/ios/chrome/browser/autofill/form_suggestion_controller.mm
@@ -52,7 +52,7 @@
   std::string frame_identifier;
   // The user-typed value in the field.
   std::string typed_value;
-  // The suggestions for the form field. An array of |FormSuggestion|.
+  // The suggestions for the form field. An array of `FormSuggestion`.
   NSArray* suggestions;
 };
 
@@ -90,10 +90,10 @@ @interface FormSuggestionController () {
 // Unique id of the last request.
 @property(nonatomic, assign) NSUInteger requestIdentifier;
 
-// Updates keyboard for |suggestionState|.
+// Updates keyboard for `suggestionState`.
 - (void)updateKeyboard:(AutofillSuggestionState*)suggestionState;
 
-// Updates keyboard with |suggestions|.
+// Updates keyboard with `suggestions`.
 - (void)updateKeyboardWithSuggestions:(NSArray*)suggestions;
 
 // Clears state in between page loads.
@@ -192,23 +192,21 @@ - (void)retrieveSuggestionsForForm:(const autofill::FormActivityParams&)params
   // and NO otherwise.
   NSMutableArray* findProviderBlocks = [[NSMutableArray alloc] init];
   for (NSUInteger i = 0; i < [_suggestionProviders count]; i++) {
-    passwords::PipelineBlock block =
-        ^(void (^completion)(BOOL success)) {
-          // Access all the providers through |self| to guarantee that both
-          // |self| and all the providers exist when the block is executed.
-          // |_suggestionProviders| is immutable, so the subscripting is
-          // always valid.
-          FormSuggestionController* strongSelf = weakSelf;
-          if (!strongSelf)
-            return;
-          id<FormSuggestionProvider> provider =
-              strongSelf->_suggestionProviders[i];
-          [provider checkIfSuggestionsAvailableForForm:formQuery
-                                           isMainFrame:isMainFrame
-                                        hasUserGesture:hasUserGesture
-                                              webState:webState
-                                     completionHandler:completion];
-        };
+    passwords::PipelineBlock block = ^(void (^completion)(BOOL success)) {
+      // Access all the providers through `self` to guarantee that both
+      // `self` and all the providers exist when the block is executed.
+      // `_suggestionProviders` is immutable, so the subscripting is
+      // always valid.
+      FormSuggestionController* strongSelf = weakSelf;
+      if (!strongSelf)
+        return;
+      id<FormSuggestionProvider> provider = strongSelf->_suggestionProviders[i];
+      [provider checkIfSuggestionsAvailableForForm:formQuery
+                                       isMainFrame:isMainFrame
+                                    hasUserGesture:hasUserGesture
+                                          webState:webState
+                                 completionHandler:completion];
+    };
     [findProviderBlocks addObject:block];
   }
 
@@ -239,9 +237,9 @@ - (void)retrieveSuggestionsForForm:(const autofill::FormActivityParams&)params
                        completionHandler:readyCompletion];
   };
 
-  // Run all the blocks in |findProviderBlocks| until one invokes its
+  // Run all the blocks in `findProviderBlocks` until one invokes its
   // completion with YES. The first one to do so will be passed to
-  // |completion|.
+  // `completion`.
   passwords::RunSearchPipeline(findProviderBlocks, completion);
 }
 
@@ -256,8 +254,8 @@ - (void)onNoSuggestionsAvailable {
 - (void)onSuggestionsReady:(NSArray<FormSuggestion*>*)suggestions
                   provider:(id<FormSuggestionProvider>)provider {
   // TODO(ios): crbug.com/249916. If we can also pass in the form/field for
-  // which |suggestions| are, we should check here if |suggestions| are for
-  // the current active element. If not, reset |_suggestionState|.
+  // which `suggestions` are, we should check here if `suggestions` are for
+  // the current active element. If not, reset `_suggestionState`.
   if (!_suggestionState) {
     // The suggestion state was reset in between the call to Autofill API (e.g.
     // OnAskForValuesToFill) and this method being called back. Results are
diff --git a/ios/chrome/browser/autofill/form_suggestion_controller_unittest.mm b/ios/chrome/browser/autofill/form_suggestion_controller_unittest.mm
index 6622b67cc7c302..4da4884524261b 100644
--- a/ios/chrome/browser/autofill/form_suggestion_controller_unittest.mm
+++ b/ios/chrome/browser/autofill/form_suggestion_controller_unittest.mm
@@ -174,7 +174,7 @@ void TearDown() override {
   }
 
  protected:
-  // Sets up |suggestion_controller_| with the specified array of
+  // Sets up `suggestion_controller_` with the specified array of
   // FormSuggestionProviders.
   void SetUpController(NSArray* providers) {
     suggestion_controller_ =
diff --git a/ios/chrome/browser/autofill/form_suggestion_label.h b/ios/chrome/browser/autofill/form_suggestion_label.h
index c8fa187271d3b9..e7858cf45eb445 100644
--- a/ios/chrome/browser/autofill/form_suggestion_label.h
+++ b/ios/chrome/browser/autofill/form_suggestion_label.h
@@ -23,7 +23,7 @@
 // Class for Autofill suggestion in the customized keyboard.
 @interface FormSuggestionLabel : UIView
 
-// Designated initializer. Initializes with |delegate| for |suggestion|.
+// Designated initializer. Initializes with `delegate` for `suggestion`.
 - (instancetype)initWithSuggestion:(FormSuggestion*)suggestion
                              index:(NSUInteger)index
                     numSuggestions:(NSUInteger)numSuggestions
diff --git a/ios/chrome/browser/autofill/form_suggestion_label.mm b/ios/chrome/browser/autofill/form_suggestion_label.mm
index 8af8c60a782501..0e2f64c434b034 100644
--- a/ios/chrome/browser/autofill/form_suggestion_label.mm
+++ b/ios/chrome/browser/autofill/form_suggestion_label.mm
@@ -49,7 +49,7 @@
   NSString* image_name;
 };
 
-// Creates a label with the given |text| and |alpha| suitable for use in a
+// Creates a label with the given `text` and `alpha` suitable for use in a
 // suggestion button in the keyboard accessory view.
 UILabel* TextLabel(NSString* text, UIColor* textColor, BOOL bold) {
   UILabel* label = [[UILabel alloc] init];
@@ -150,8 +150,8 @@ - (void)layoutSubviews {
   self.layer.cornerRadius = self.bounds.size.height / 2.0;
 }
 
-// Animates |highlight| property to YES for a duration of
-// |animationOnScreenDuration|.
+// Animates `highlight` property to YES for a duration of
+// `animationOnScreenDuration`.
 - (void)animateWithHighlight {
   __weak __typeof(self) weakSelf = self;
   [self animateWithHighlight:YES
@@ -172,7 +172,7 @@ - (void)animateWithHighlight {
 
 #pragma mark - Private
 
-// Animates |highlight| property from current state to |highlighted|.
+// Animates `highlight` property from current state to `highlighted`.
 - (void)animateWithHighlight:(BOOL)highlighted
                   completion:(ProceduralBlockWithBool)completion {
   if (self.highlighted == highlighted) {
diff --git a/ios/chrome/browser/autofill/form_suggestion_tab_helper.h b/ios/chrome/browser/autofill/form_suggestion_tab_helper.h
index 0ee5d08bcbba36..289bf01eef224a 100644
--- a/ios/chrome/browser/autofill/form_suggestion_tab_helper.h
+++ b/ios/chrome/browser/autofill/form_suggestion_tab_helper.h
@@ -24,7 +24,7 @@ class FormSuggestionTabHelper
 
   ~FormSuggestionTabHelper() override;
 
-  // Creates a FormSuggestionTabHelper and attaches it to the given |web_state|.
+  // Creates a FormSuggestionTabHelper and attaches it to the given `web_state`.
   static void CreateForWebState(web::WebState* web_state,
                                 NSArray<id<FormSuggestionProvider>>* providers);
 
diff --git a/ios/chrome/browser/autofill/form_suggestion_view.h b/ios/chrome/browser/autofill/form_suggestion_view.h
index c430ebd620bd14..b5426be270afb8 100644
--- a/ios/chrome/browser/autofill/form_suggestion_view.h
+++ b/ios/chrome/browser/autofill/form_suggestion_view.h
@@ -41,7 +41,7 @@
 // The layout guide center to use to refer to the first suggestion label.
 @property(nonatomic, strong) LayoutGuideCenter* layoutGuideCenter;
 
-// Updates with |suggestions|.
+// Updates with `suggestions`.
 - (void)updateSuggestions:(NSArray<FormSuggestion*>*)suggestions;
 
 // Reset content insets back to zero and sets the delegate to nil. Used to stop
diff --git a/ios/chrome/browser/autofill/suggestion_controller_java_script_feature_unittest.mm b/ios/chrome/browser/autofill/suggestion_controller_java_script_feature_unittest.mm
index b58b70396080f2..44450b7ea929f0 100644
--- a/ios/chrome/browser/autofill/suggestion_controller_java_script_feature_unittest.mm
+++ b/ios/chrome/browser/autofill/suggestion_controller_java_script_feature_unittest.mm
@@ -38,7 +38,7 @@
     web_state_->GetView();
     web_state_->SetKeepRenderProcessAlive(true);
   }
-  // Returns the main frame of |web_state()|'s current page.
+  // Returns the main frame of `web_state()`'s current page.
   web::WebFrame* GetMainFrame();
   // Helper method that initializes a form with three fields. Can be used to
   // test whether adding an attribute on the second field causes it to be
@@ -49,7 +49,7 @@
     return web::test::ExecuteJavaScript(@"document.activeElement.name",
                                         web_state());
   }
-  // Waits until the active element is |name|.
+  // Waits until the active element is `name`.
   BOOL WaitUntilElementSelected(NSString* name) {
     return base::test::ios::WaitUntilConditionOrTimeout(
         base::test::ios::kWaitForJSCompletionTimeout, ^bool {
@@ -372,7 +372,7 @@ BOOL WaitUntilElementSelected(NSString* name) {
 }
 
 // Test fixture to test
-// |FetchPreviousAndNextElementsPresenceInFrameWithID|.
+// `FetchPreviousAndNextElementsPresenceInFrameWithID`.
 class FetchPreviousAndNextExceptionTest
     : public SuggestionControllerJavaScriptFeatureTest {
  public:
@@ -383,7 +383,7 @@ void SetUp() override {
 
  protected:
   // Evaluates JS and tests that the completion handler passed to
-  // |FetchPreviousAndNextElementsPresenceInFrameWithID| is called with
+  // `FetchPreviousAndNextElementsPresenceInFrameWithID` is called with
   // (false, false) indicating no previous and next element.
   void EvaluateJavaScriptAndExpectNoPreviousAndNextElement(NSString* js) {
     web::test::ExecuteJavaScript(js, web_state());
@@ -403,22 +403,22 @@ void EvaluateJavaScriptAndExpectNoPreviousAndNextElement(NSString* js) {
   }
 };
 
-// Tests that |fetchPreviousAndNextElementsPresenceWithCompletionHandler| works
-// when |__gCrWeb.suggestion.hasPreviousElement| throws an exception.
+// Tests that `fetchPreviousAndNextElementsPresenceWithCompletionHandler` works
+// when `__gCrWeb.suggestion.hasPreviousElement` throws an exception.
 TEST_F(FetchPreviousAndNextExceptionTest, HasPreviousElementException) {
   EvaluateJavaScriptAndExpectNoPreviousAndNextElement(
       @"__gCrWeb.suggestion.hasPreviousElement = function() { bar.foo1; }");
 }
 
-// Tests that |fetchPreviousAndNextElementsPresenceWithCompletionHandler| works
-// when |__gCrWeb.suggestion.hasNextElement| throws an exception.
+// Tests that `fetchPreviousAndNextElementsPresenceWithCompletionHandler` works
+// when `__gCrWeb.suggestion.hasNextElement` throws an exception.
 TEST_F(FetchPreviousAndNextExceptionTest, HasNextElementException) {
   EvaluateJavaScriptAndExpectNoPreviousAndNextElement(
       @"__gCrWeb.suggestion.hasNextElement = function() { bar.foo1; }");
 }
 
-// Tests that |fetchPreviousAndNextElementsPresenceWithCompletionHandler| works
-// when |Array.toString| has been overridden to return a malformed string
+// Tests that `fetchPreviousAndNextElementsPresenceWithCompletionHandler` works
+// when `Array.toString` has been overridden to return a malformed string
 // without a ",".
 TEST_F(FetchPreviousAndNextExceptionTest, HasPreviousElementNull) {
   EvaluateJavaScriptAndExpectNoPreviousAndNextElement(