[ios] Creates ToolsMenuConstants file

ios/chrome/browser/ui/tools_menu/tools_menu_model.h

Index: ios/chrome/browser/ui/tools_menu/tools_menu_model.h
diff --git a/ios/chrome/browser/ui/tools_menu/tools_menu_model.h b/ios/chrome/browser/ui/tools_menu/tools_menu_model.h
index 2965b49115a1d3c976c66ccfe50cd466d8538a0c..367c4d2011088453701b597b62c589e3c1626014 100644
--- a/ios/chrome/browser/ui/tools_menu/tools_menu_model.h
+++ b/ios/chrome/browser/ui/tools_menu/tools_menu_model.h
@@ -7,37 +7,6 @@
 
 #import <Foundation/Foundation.h>
 
-// New Tab item accessibility Identifier.
-extern NSString* const kToolsMenuNewTabId;
-// New incognito Tab item accessibility Identifier.
-extern NSString* const kToolsMenuNewIncognitoTabId;
-// Close all Tabs item accessibility Identifier.
-extern NSString* const kToolsMenuCloseAllTabsId;
-// Close all incognito Tabs item accessibility Identifier.
-extern NSString* const kToolsMenuCloseAllIncognitoTabsId;
-// Bookmarks item accessibility Identifier.
-extern NSString* const kToolsMenuBookmarksId;
-// Reading List item accessibility Identifier.
-extern NSString* const kToolsMenuReadingListId;
-// Other Devices item accessibility Identifier.
-extern NSString* const kToolsMenuOtherDevicesId;
-// History item accessibility Identifier.
-extern NSString* const kToolsMenuHistoryId;
-// Report an issue item accessibility Identifier.
-extern NSString* const kToolsMenuReportAnIssueId;
-// Find in Page item accessibility Identifier.
-extern NSString* const kToolsMenuFindInPageId;
-// Reader Mode item accessibility Identifier.
-extern NSString* const kToolsMenuReaderMode;
-// Request desktop item accessibility Identifier.
-extern NSString* const kToolsMenuRequestDesktopId;
-// Settings item accessibility Identifier.
-extern NSString* const kToolsMenuSettingsId;
-// Help item accessibility Identifier.
-extern NSString* const kToolsMenuHelpId;
-// Suggestions item accessibility Identifier.
-extern NSString* const kToolsMenuSuggestionsId;
-
 // Total number of possible menu items.
 const int kToolsMenuNumberOfItems = 15;