ash: Remove OS_CHROMEOS ifdefs from accelerator files

ash/common/accelerators/accelerator_router.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/common/accelerators/accelerator_router.h"
 
 #include "ash/common/accelerators/accelerator_controller.h"
 #include "ash/common/wm/window_state.h"
 #include "ash/common/wm_shell.h"
 #include "ash/common/wm_window.h"
 #include "base/stl_util.h"
 #include "ui/base/accelerators/accelerator.h"
 #include "ui/events/event.h"
 
 namespace ash {
 
 namespace {
 
 // Returns true if |key_code| is a key usually handled directly by the shell.
 bool IsSystemKey(ui::KeyboardCode key_code) {
-#if defined(OS_CHROMEOS)
   switch (key_code) {
     case ui::VKEY_MEDIA_LAUNCH_APP2:  // Fullscreen button.
     case ui::VKEY_MEDIA_LAUNCH_APP1:  // Overview button.
     case ui::VKEY_BRIGHTNESS_DOWN:
     case ui::VKEY_BRIGHTNESS_UP:
     case ui::VKEY_KBD_BRIGHTNESS_DOWN:
     case ui::VKEY_KBD_BRIGHTNESS_UP:
     case ui::VKEY_VOLUME_MUTE:
     case ui::VKEY_VOLUME_DOWN:
     case ui::VKEY_VOLUME_UP:
     case ui::VKEY_POWER:
       return true;
     default:
       return false;
   }
-#endif  // defined(OS_CHROMEOS)
-  return false;
 }
 
 }  // namespace
 
 AcceleratorRouter::AcceleratorRouter() {}
 
 AcceleratorRouter::~AcceleratorRouter() {}
 
 bool AcceleratorRouter::ProcessAccelerator(WmWindow* target,
                                            const ui::KeyEvent& key_event,
@@ skipping 57 matching lines @@
 
   // Handle preferred accelerators (such as ALT-TAB) before sending
   // to the target.
   if (accelerator_controller->IsPreferred(accelerator))
     return true;
 
   return WmShell::Get()->GetAppListTargetVisibility();
 }
 
 }  // namespace ash