Allow focus to be sent between browser window and launcher/status window

ash/shell.h

Index: ash/shell.h
diff --git a/ash/shell.h b/ash/shell.h
index a1dcb76047e469a2736b781fe25a582a7f1f2919..0041937567c58e4ed5b75a342e409a4bc823ed69 100644
--- a/ash/shell.h
+++ b/ash/shell.h
@@ -36,6 +36,7 @@ namespace ash {
 
 class AcceleratorController;
 class Launcher;
+class FocusCycler;
 class PowerButtonController;
 class ShellDelegate;
 class VideoDetector;
@@ -113,6 +114,9 @@ class ASH_EXPORT Shell {
   views::NonClientFrameView* CreateDefaultNonClientFrameView(
       views::Widget* widget);
 
+  // Rotate focus through containers that can recieve focus.
+  void RotateFocus(bool forwards);
+
   AcceleratorController* accelerator_controller() {
     return accelerator_controller_.get();
   }
@@ -188,6 +192,7 @@ class ASH_EXPORT Shell {
   scoped_ptr<PowerButtonController> power_button_controller_;
   scoped_ptr<VideoDetector> video_detector_;
   scoped_ptr<WindowCycleController> window_cycle_controller_;
+  scoped_ptr<FocusCycler> focus_cycler_;
 
   // An event filter that pre-handles all key events to send them to an IME.
   scoped_ptr<internal::InputMethodEventFilter> input_method_filter_;