Move the content-dependent RecreateLayer logic from aura::Window to RWHVA

ash/display/mirror_window_controller.cc

 // Copyright (c) 2013 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 "ash/display/mirror_window_controller.h"
 
 #if defined(USE_X11)
 #include <X11/Xlib.h>
 
 // Xlib.h defines RootWindow.
@@ skipping 98 matching lines @@
       float device_scale_factor) OVERRIDE {
   }
   virtual void OnWindowDestroying() OVERRIDE {}
   virtual void OnWindowDestroyed() OVERRIDE {}
   virtual void OnWindowTargetVisibilityChanged(bool visible) OVERRIDE {
   }
   virtual bool HasHitTestMask() const OVERRIDE {
     return false;
   }
   virtual void GetHitTestMask(gfx::Path* mask) const OVERRIDE {}
-  virtual scoped_refptr<ui::Texture> CopyTexture() OVERRIDE {
-    NOTREACHED();
-    return scoped_refptr<ui::Texture>();
-  }
+  virtual void DidRecreateLayer(ui::Layer* old_layer,
+                                ui::Layer* new_layer) OVERRIDE {}
 
   // Set the cursor image for the |display|'s scale factor.  Note that
   // mirror window's scale factor is always 1.0f, therefore we need to
   // take 2x's image and paint as if it's 1x image.
   void SetCursorImage(const gfx::ImageSkia& image,
                       const gfx::Display& display) {
     device_scale_factor_ =
         ui::GetScaleFactorFromScale(display.device_scale_factor());
     const gfx::ImageSkiaRep& image_rep =
         image.GetRepresentation(device_scale_factor_);
@@ skipping 202 matching lines @@
       Shell::GetScreen()->GetPrimaryDisplay().id());
   DCHECK(display_manager->mirrored_display().is_valid());
   return scoped_ptr<aura::RootWindowTransformer>(
       internal::CreateRootWindowTransformerForMirroredDisplay(
           source_display_info,
           mirror_display_info));
 }
 
 }  // namespace internal
 }  // namespace ash