Don't create mirror window during bootstrap

ash/display/display_controller.h

 // 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.
 
 #ifndef ASH_DISPLAY_DISPLAY_CONTROLLER_H_
 #define ASH_DISPLAY_DISPLAY_CONTROLLER_H_
 
 #include <map>
 #include <vector>
 
@@ skipping 20 matching lines @@
 namespace gfx {
 class Display;
 class Insets;
 class Point;
 }
 
 namespace ash {
 namespace internal {
 class DisplayManager;
 class FocusActivationStore;
+class MirrorWindowController;
 class RootWindowController;
 }
 
 // DisplayController owns and maintains RootWindows for each attached
 // display, keeping them in sync with display configuration changes.
 class ASH_EXPORT DisplayController : public gfx::DisplayObserver {
  public:
   class ASH_EXPORT Observer {
    public:
     // Invoked when the display configuration change is requested,
@@ skipping 108 matching lines @@
   void UpdateMouseCursor(const gfx::Point& point_in_native);
 
   // aura::DisplayObserver overrides:
   virtual void OnDisplayBoundsChanged(
       const gfx::Display& display) OVERRIDE;
   virtual void OnDisplayAdded(const gfx::Display& display) OVERRIDE;
   virtual void OnDisplayRemoved(const gfx::Display& display) OVERRIDE;
 
  private:
   friend class internal::DisplayManager;
+  friend class internal::MirrorWindowController;
 
   // Creates a root window for |display| and stores it in the |root_windows_|
   // map.
   aura::RootWindow* AddRootWindowForDisplay(const gfx::Display& display);
 
   void UpdateDisplayBoundsForLayout();
 
   void NotifyDisplayConfigurationChanging();
   void NotifyDisplayConfigurationChanged();
 
@@ skipping 56 matching lines @@
   bool in_bootstrap_;
 
   scoped_ptr<internal::FocusActivationStore> focus_activation_store_;
 
   DISALLOW_COPY_AND_ASSIGN(DisplayController);
 };
 
 }  // namespace ash
 
 #endif  // ASH_DISPLAY_DISPLAY_CONTROLLER_H_