Make mash register initial batch of accelerators in single shot.

ui/base/accelerators/accelerator_manager_delegate.h

 // Copyright 2016 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 UI_BASE_ACCELERATORS_ACCELERATOR_MANAGER_DELEGATE_H_
 #define UI_BASE_ACCELERATORS_ACCELERATOR_MANAGER_DELEGATE_H_
 
 #include "ui/base/ui_base_export.h"
 
 namespace ui {
 
 class Accelerator;
 
 class UI_BASE_EXPORT AcceleratorManagerDelegate {
  public:
-  // Called the first time a target is registered for |accelerator|. This is
-  // only called the first time a target is registered for a unique accelerator.
-  // For example, if Register() is called twice with the same accelerator
-  // this is called only for the first call.
-  virtual void OnAcceleratorRegistered(const Accelerator& accelerator) = 0;
+  // Called when new accelerators are registered. This is only called with
+  // newly registered accelerators. For example, if Register() is
+  // called with A and B, then OnAcceleratorsRegistered() is called with A and
+  // B. If

[sky, 2017/01/30 17:13:31]

Join this line and the next?

[thanhph1, 2017/01/30 17:45:12]

Done.

+  // Register() is subsequently called with A and C, then
+  // OnAcceleratorsRegistered()

[sky, 2017/01/30 17:13:31]

Join this line and the next?

[thanhph1, 2017/01/30 17:45:12]

Done, thanks!

+  // is only called with C, as A was already registered.
+  virtual void OnAcceleratorsRegistered(
+      const std::vector<ui::Accelerator>& accelerators) = 0;
 
   // Called when there no more targets are registered for |accelerator|.
   virtual void OnAcceleratorUnregistered(const Accelerator& accelerator) = 0;
 
  protected:
   virtual ~AcceleratorManagerDelegate() {}
 };
 
 }  // namespace ui
 
 #endif  // UI_BASE_ACCELERATORS_ACCELERATOR_MANAGER_DELEGATE_H_