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);
-}
-
 bool AcceleratorDelegate::ProcessAccelerator(const ui::KeyEvent& key_event,
                                              const ui::Accelerator& accelerator,
                                              KeyType key_type) {
   // Special hardware keys like brightness and volume are handled in
   // special way. However, some windows can override this behavior
   // (e.g. Chrome v1 apps by default and Chrome v2 apps with
   // permission) by setting a window property.
   if (key_type == KEY_TYPE_SYSTEM && !CanConsumeSystemKeys(key_event)) {
     // System keys are always consumed regardless of whether they trigger an
     // accelerator to prevent windows from seeing unexpected key up events.
@@ skipping 43 matching lines @@
   if (Shell::GetInstance()->GetAppListTargetVisibility())
     return true;
 
   // Unless |target| is in the full screen state, handle reserved accelerators
   // such as Alt+Tab now.
   return Shell::GetInstance()->accelerator_controller()->IsReservedAccelerator(
       accelerator);
 }
 
 }  // namespace ash