[ios] Creates ToolsMenuConstants file

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

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef IOS_CHROME_BROWSER_UI_TOOLS_MENU_TOOLS_MENU_MODEL_H_
 #define IOS_CHROME_BROWSER_UI_TOOLS_MENU_TOOLS_MENU_MODEL_H_
 
 #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;
 
 // Initialization table for all possible commands to initialize the
 // tools menu at run time. Data initialized into this structure is not mutable.
 struct MenuItemInfo {
   int title_id;
   NSString* accessibility_id;
   int command_id;
   int toolbar_types;
@@ skipping 23 matching lines @@
 // All possible items.
 extern const MenuItemInfo itemInfoList[kToolsMenuNumberOfItems];
 
 // Returns true if a given item should be visible based on the Toolbar type
 // and if incognito mode or not.
 bool ToolsMenuItemShouldBeVisible(const MenuItemInfo& item,
                                   bool incognito,
                                   ToolbarType toolbarType);
 
 #endif  // IOS_CHROME_BROWSER_UI_TOOLS_MENU_TOOLS_MENU_MODEL_H_