Added default implementations of GetAcceleratorForCommandId.

chrome/browser/ui/cocoa/tabs/tab_controller.mm

 // Copyright (c) 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.
 
 #import "chrome/browser/ui/cocoa/tabs/tab_controller.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "base/i18n/rtl.h"
@@ skipping 29 matching lines @@
       : target_(target),
         owner_(owner) {}
 
   // Overridden from ui::SimpleMenuModel::Delegate
   bool IsCommandIdChecked(int command_id) const override { return false; }
   bool IsCommandIdEnabled(int command_id) const override {
     TabStripModel::ContextMenuCommand command =
         static_cast<TabStripModel::ContextMenuCommand>(command_id);
     return [target_ isCommandEnabled:command forController:owner_];
   }
-  bool GetAcceleratorForCommandId(int command_id,
-                                  ui::Accelerator* accelerator) const override {
-    return false;
-  }
   void ExecuteCommand(int command_id, int event_flags) override {
     TabStripModel::ContextMenuCommand command =
         static_cast<TabStripModel::ContextMenuCommand>(command_id);
     [target_ commandDispatch:command forController:owner_];
   }
 
  private:
   id<TabControllerTarget> target_;  // weak
   TabController* owner_;  // weak, owns me
 };
@@ skipping 403 matching lines @@
         YES : NO;
   }
   return NO;
 }
 
 - (void)maybeStartDrag:(NSEvent*)event forTab:(TabController*)tab {
   [[target_ dragController] maybeStartDrag:event forTab:tab];
 }
 
 @end