Add EF_IS_REPEAT flag to KeyEvent to handle repeated accelerators correctly.

ash/accelerators/nested_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/nested_accelerator_delegate.h"
 
 #include "ash/accelerators/accelerator_controller.h"
 #include "ash/shell.h"
 #include "ui/aura/window_event_dispatcher.h"
 #include "ui/base/accelerators/accelerator.h"
@@ skipping 45 matching lines @@
 
 bool NestedAcceleratorDelegate::ProcessEvent(const ui::KeyEvent& key_event) {
   ash::AcceleratorController* accelerator_controller =
       ash::Shell::GetInstance()->accelerator_controller();
   if (!accelerator_controller)
     return false;
   const int kModifierMask =
       (ui::EF_SHIFT_DOWN | ui::EF_CONTROL_DOWN | ui::EF_ALT_DOWN);
   ui::Accelerator accelerator(key_event.key_code(),
                               key_event.flags() & kModifierMask);
+  accelerator.set_is_repeat(key_event.IsRepeat());
   if (key_event.type() == ui::ET_KEY_RELEASED)
     accelerator.set_type(ui::ET_KEY_RELEASED);
-  // 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);
   return accelerator_controller->Process(accelerator);
 }
 
 }  // namespace ash