Add EF_IS_REPEAT flag to KeyEvent to handle repeated accelerators correctly.

ash/accelerators/accelerator_delegate.cc

 // Copyright 2014 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.
 
 #include "ash/accelerators/accelerator_delegate.h"
 
 #include "ash/accelerators/accelerator_controller.h"
 #include "ash/shell.h"
 #include "ash/wm/window_state.h"
 #include "ui/base/accelerators/accelerator.h"
 #include "ui/events/event.h"
 #include "ui/wm/core/window_util.h"
 
 namespace ash {
 namespace {}  // namespace
 
 AcceleratorDelegate::AcceleratorDelegate() {
 }
 AcceleratorDelegate::~AcceleratorDelegate() {
 }
 
-void AcceleratorDelegate::PreProcessAccelerator(
-    const ui::Accelerator& accelerator) {
-  // Fill out context object so AcceleratorController will know what
-  // was the previous accelerator or if the current accelerator is repeated.
-  Shell::GetInstance()->accelerator_controller()->context()->UpdateContext(
-      accelerator);
-}
-
 // Uses the top level window so if the target is a web contents window the
 // containing parent window will be checked for the property.
 bool AcceleratorDelegate::CanConsumeSystemKeys(const ui::KeyEvent& event) {
   aura::Window* target = static_cast<aura::Window*>(event.target());
   if (!target)  // Can be NULL in tests.
     return false;
   aura::Window* top_level = ::wm::GetToplevelWindow(target);
   return top_level && wm::GetWindowState(top_level)->can_consume_system_keys();
 }
 
@@ skipping 30 matching lines @@
   return Shell::GetInstance()->accelerator_controller()->IsReservedAccelerator(
       accelerator);
 }
 
 bool AcceleratorDelegate::ProcessAccelerator(
     const ui::Accelerator& accelerator) {
   return Shell::GetInstance()->accelerator_controller()->Process(accelerator);
 }
 
 }  // namespace ash