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

chrome/browser/chromeos/setting_level_bubble.cc

 // 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.
 
 #include "chrome/browser/chromeos/setting_level_bubble.h"
 
 #include <gdk/gdk.h>
 
 #include "base/timer.h"
 #include "chrome/browser/chromeos/login/background_view.h"
@@ skipping 94 matching lines @@
     DCHECK(view_ == NULL);
     view_ = new SettingLevelBubbleView;
     view_->Init(icon, previous_percent_);
     // Calculate position of the bubble.
     gfx::Rect bounds = widget->GetClientAreaScreenBounds();
     const gfx::Size view_size = view_->GetPreferredSize();
     // Note that (x, y) is the point of the center of the bubble.
     const int x = view_size.width() / 2 +
         kBubbleXRatio * (bounds.width() - view_size.width());
     const int y = bounds.height() - view_size.height() / 2 - kBubbleBottomGap;
+
+    // ShowFocusless doesn't set ESC accelerator. The Esc key is handled in
+    // SystemKeyEventListener instead.
     bubble_ = Bubble::ShowFocusless(widget,  // parent
                                     gfx::Rect(x, y, 0, 20),
                                     BubbleBorder::FLOAT,
                                     view_,  // contents
                                     this,   // delegate
                                     true);  // show while screen is locked
   } else {
     DCHECK(view_);
     timeout_timer_.Stop();
     view_->SetIcon(icon);
   }
   if (animation_.is_animating())
     animation_.End();
   animation_.Reset();
   animation_.Show();
   timeout_timer_.Start(base::TimeDelta::FromSeconds(kBubbleShowTimeoutSec),
                        this, &SettingLevelBubble::OnTimeout);
 }
 
 void SettingLevelBubble::HideBubble() {
   if (bubble_)
     bubble_->Close();
 }
 
+bool SettingLevelBubble::IsShown() const {
+  return bubble_ != NULL;
+}
+
 void SettingLevelBubble::UpdateWithoutShowingBubble(int percent) {
   percent = LimitPercent(percent);
 
   previous_percent_ =
       animation_.is_animating() ?
       animation_.GetCurrentValue() :
       current_percent_;
   if (previous_percent_ < 0)
     previous_percent_ = percent;
   current_percent_ = percent;
@@ skipping 31 matching lines @@
 void SettingLevelBubble::AnimationProgressed(const ui::Animation* animation) {
   if (view_) {
     view_->Update(
         ui::Tween::ValueBetween(animation->GetCurrentValue(),
                                 previous_percent_,
                                 current_percent_));
   }
 }
 
 }  // namespace chromeos