Adds an ash global shortcut key for message center.

ash/accelerators/accelerator_controller.cc

 // Copyright (c) 2012 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_controller.h"
 
 #include <algorithm>
 #include <cmath>
 #include <string>
 
@@ skipping 15 matching lines @@
 #include "ash/rotator/screen_rotation.h"
 #include "ash/screenshot_delegate.h"
 #include "ash/shell.h"
 #include "ash/shell_delegate.h"
 #include "ash/shell_window_ids.h"
 #include "ash/system/brightness/brightness_control_delegate.h"
 #include "ash/system/keyboard_brightness/keyboard_brightness_control_delegate.h"
 #include "ash/system/status_area_widget.h"
 #include "ash/system/tray/system_tray.h"
 #include "ash/system/tray/system_tray_delegate.h"
+#include "ash/system/web_notification/web_notification_tray.h"
 #include "ash/touch/touch_observer_hud.h"
 #include "ash/volume_control_delegate.h"
 #include "ash/wm/partial_screenshot_view.h"
 #include "ash/wm/power_button_controller.h"
 #include "ash/wm/property_util.h"
 #include "ash/wm/window_cycle_controller.h"
 #include "ash/wm/window_util.h"
 #include "ash/wm/workspace/snap_sizer.h"
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 574 matching lines @@
       break;
     case SHOW_SYSTEM_TRAY_BUBBLE: {
       internal::RootWindowController* controller =
           Shell::IsLauncherPerDisplayEnabled() ?
           internal::RootWindowController::ForActiveRootWindow() :
           Shell::GetPrimaryRootWindowController();
       if (!controller->GetSystemTray()->HasSystemBubble())
         controller->GetSystemTray()->ShowDefaultView(BUBBLE_CREATE_NEW);
       break;
     }
+    case TOGGLE_MESSAGE_CENTER_BUBBLE: {
+      internal::RootWindowController* controller =
+          Shell::IsLauncherPerDisplayEnabled() ?
+          internal::RootWindowController::ForActiveRootWindow() :
+          Shell::GetPrimaryRootWindowController();

[stevenjb, 2013/01/28 23:46:56]

Any reason we can't put this logic in
RootWindowController::ForActiveRootWindow(), rather than duplicating the logic?
It looks like this is the only file that currently uses that function.

+      internal::StatusAreaWidget* status_area_widget =
+          controller->status_area_widget();
+      if (status_area_widget) {
+        WebNotificationTray* notification_tray =
+            status_area_widget->web_notification_tray();
+        if (notification_tray->visible())

[stevenjb, 2013/01/28 23:46:56]

Won't this test fail if the launcher is auto-hidden? Shouldn't we still show it
then?

Also, it seems strange that the system tray is "show" and the message center is
"toggle". Double-check with Alex whether that is what we want.

+          notification_tray->ToggleMessageCenterBubble();
+      }
+      break;
+    }
     case SHOW_TASK_MANAGER:
       Shell::GetInstance()->delegate()->ShowTaskManager();
       return true;
     case NEXT_IME:
       // This check is necessary e.g. not to process the Shift+Alt+
       // ET_KEY_RELEASED accelerator for Chrome OS (see ash/accelerators/
       // accelerator_controller.cc) when Shift+Alt+Tab is pressed and then Tab
       // is released.
       if (previous_event_type == ui::ET_KEY_RELEASED &&
           // Workaround for crbug.com/139556. CJK IME users tend to press
@@ skipping 199 matching lines @@
     keyboard_brightness_control_delegate) {
   keyboard_brightness_control_delegate_ =
       keyboard_brightness_control_delegate.Pass();
 }
 
 bool AcceleratorController::CanHandleAccelerators() const {
   return true;
 }
 
 }  // namespace ash