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

chrome/browser/chromeos/system_key_event_listener.cc

Index: chrome/browser/chromeos/system_key_event_listener.cc
diff --git a/chrome/browser/chromeos/system_key_event_listener.cc b/chrome/browser/chromeos/system_key_event_listener.cc
index af70d12feec2d1b68f689214d1c5750b825d70ad..9a672474580eaf24788ec8833f477d461ee63eee 100644
--- a/chrome/browser/chromeos/system_key_event_listener.cc
+++ b/chrome/browser/chromeos/system_key_event_listener.cc
@@ -41,6 +41,7 @@ SystemKeyEventListener::SystemKeyEventListener()
   key_f8_ = XKeysymToKeycode(GDK_DISPLAY(), XK_F8);
   key_f9_ = XKeysymToKeycode(GDK_DISPLAY(), XK_F9);
   key_f10_ = XKeysymToKeycode(GDK_DISPLAY(), XK_F10);
+  key_esc_ = XKeysymToKeycode(GDK_DISPLAY(), XK_Escape);
 
   if (key_volume_mute_)
     GrabKey(key_volume_mute_, 0);
@@ -51,6 +52,7 @@ SystemKeyEventListener::SystemKeyEventListener()
   GrabKey(key_f8_, 0);
   GrabKey(key_f9_, 0);
   GrabKey(key_f10_, 0);
+  GrabKey(key_esc_, 0);
 
 #if defined(TOUCH_UI)
   MessageLoopForUI::current()->AddObserver(this);
@@ -191,6 +193,9 @@ bool SystemKeyEventListener::ProcessedXEvent(XEvent* xevent) {
             UserMetrics::RecordAction(UserMetricsAction("Accel_VolumeUp_F10"));
           OnVolumeUp();
           return true;
+        } else if (keycode == key_esc_ && IsBubbleShown()) {
+          HideBubble();
+          return true;
         }
       }
     }
@@ -198,4 +203,16 @@ bool SystemKeyEventListener::ProcessedXEvent(XEvent* xevent) {
   return false;
 }
 
+// static
+bool SystemKeyEventListener::IsBubbleShown() {
+  return BrightnessBubble::GetInstance()->IsShown() ||
+         VolumeBubble::GetInstance()->IsShown();
+}
+
+// static
+void SystemKeyEventListener::HideBubble() {
+  BrightnessBubble::GetInstance()->HideBubble();
+  VolumeBubble::GetInstance()->HideBubble();
+}
+
 }  // namespace chromeos