Sound volume and bightness bubbles doesn't grab focus anymore.

chrome/browser/ui/views/bubble/bubble.h

 // Copyright (c) 2011 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.
 
 #ifndef CHROME_BROWSER_UI_VIEWS_BUBBLE_BUBBLE_H_
 #define CHROME_BROWSER_UI_VIEWS_BUBBLE_BUBBLE_H_
 #pragma once
 
 #include "chrome/browser/ui/views/bubble/bubble_border.h"
 #include "ui/base/animation/animation_delegate.h"
@@ skipping 80 matching lines @@
   //     - Be notified when the Bubble is closed.
   //     - Prevent the Bubble from being closed when the Escape key is
   //       pressed (the default behavior).
   static Bubble* Show(views::Widget* parent,
                       const gfx::Rect& position_relative_to,
                       BubbleBorder::ArrowLocation arrow_location,
                       views::View* contents,
                       BubbleDelegate* delegate);
 
 #if defined(OS_CHROMEOS)
-  // Shows the Bubble without grabbing the focus. Others are the same as
-  // above.  TYPE_POPUP widget is used to achieve the focusless effect.
-  // If |show_while_screen_is_locked| is true, a property is set telling the
-  // window manager to continue showing the bubble even while the screen is
-  // locked.
+  // Shows the Bubble without grabbing the focus. Doesn't set the Escape
+  // accelerator so user code is responsible for closing the bubble on pressing
+  // the Esc key. Others are the same as above. TYPE_POPUP widget is used
+  // to achieve the focusless effect. If |show_while_screen_is_locked| is true,
+  // a property is set telling the window manager to continue showing the bubble
+  // even while the screen is locked.
   static Bubble* ShowFocusless(views::Widget* parent,
                                const gfx::Rect& position_relative_to,
                                BubbleBorder::ArrowLocation arrow_location,
                                views::View* contents,
                                BubbleDelegate* delegate,
                                bool show_while_screen_is_locked);
 #endif
 
   // Resizes and potentially moves the Bubble to best accommodate the
   // contents preferred size.
@@ skipping 67 matching lines @@
   void DoClose(bool closed_by_escape);
 
   // Animates to a visible state.
   void FadeIn();
   // Animates to a hidden state.
   void FadeOut();
 
   // Animates to a visible/hidden state (visible if |fade_in| is true).
   void Fade(bool fade_in);
 
+  void RegisterEscapeAccelerator();
+  void UnregisterEscapeAccelerator();
+
   // Overridden from AcceleratorTarget:
   virtual bool AcceleratorPressed(const views::Accelerator& accelerator);
 
   // The delegate, if any.
   BubbleDelegate* delegate_;
 
   // The animation used to fade the bubble out.
   scoped_ptr<ui::SlideAnimation> animation_;
 
   // The current visibility status of the bubble.
@@ skipping 10 matching lines @@
   // Should we set a property telling the window manager to show this window
   // onscreen even when the screen is locked?
   bool show_while_screen_is_locked_;
 #endif
 
   gfx::Rect position_relative_to_;
   BubbleBorder::ArrowLocation arrow_location_;
 
   views::View* contents_;
 
+  bool accelerator_registered_;
+
   DISALLOW_COPY_AND_ASSIGN(Bubble);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_BUBBLE_BUBBLE_H_