[ios] Remove IDC_BACK and IDC_FORWARD

ios/chrome/browser/ui/toolbar/toolbar_controller.h

 // Copyright 2012 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_TOOLBAR_TOOLBAR_CONTROLLER_H_
 #define IOS_CHROME_BROWSER_UI_TOOLBAR_TOOLBAR_CONTROLLER_H_
 
 #import <UIKit/UIKit.h>
 
 #include <stdint.h>
 
 #include <map>
 
 #include "base/ios/weak_nsobject.h"
 #import "base/mac/scoped_nsobject.h"
 #include "ios/chrome/browser/ui/rtl_geometry.h"
 #import "ios/chrome/browser/ui/tools_menu/tools_popup_controller.h"
 #include "ios/chrome/browser/ui/ui_util.h"
 #import "ios/chrome/browser/ui/util/relaxed_bounds_constraints_hittest.h"
 
+@protocol BrowserCommands;
 class ReadingListModel;
 @class ToolsMenuConfiguration;
 
 // The time delay before non-initial button images are loaded.
 extern const int64_t kNonInitialImageAdditionDelayNanosec;
 // Notification that the tools menu has been requested to be shown.
 extern NSString* const kMenuWillShowNotification;
 // Notification that the tools menu is closed.
 extern NSString* const kMenuWillHideNotification;
 // Accessibility identifier of the toolbar view (for use by integration tests).
@@ skipping 96 matching lines @@
 // The tools popup controller. Nil if the tools popup menu is not visible.
 @property(nonatomic, readonly, strong)
     ToolsPopupController* toolsPopupController;
 
 // Style of this toolbar.
 @property(nonatomic, readonly, assign) ToolbarControllerStyle style;
 
 // The reading list model reflected by the toolbar.
 @property(nonatomic, readwrite, assign) ReadingListModel* readingListModel;
 
+@property(nonatomic, readwrite, weak) id<BrowserCommands> dispatcher;
+
 // Designated initializer.  |style| determines how the toolbar draws itself.
 - (instancetype)initWithStyle:(ToolbarControllerStyle)style
     NS_DESIGNATED_INITIALIZER;
 
 - (instancetype)init NS_UNAVAILABLE;
 
 // Called when the application has entered the background.
 - (void)applicationDidEnterBackground:(NSNotification*)notify;
 
 // Sets whether the share button is enabled or not.
@@ skipping 133 matching lines @@
 
 // Called when transition animations can be removed.
 - (void)cleanUpTransitionAnimations;
 
 // Shows/hides iPhone toolbar views for when the new tab page is displayed.
 - (void)hideViewsForNewTabPage:(BOOL)hide;
 
 @end
 
 #endif  // IOS_CHROME_BROWSER_UI_TOOLBAR_TOOLBAR_CONTROLLER_H_