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

ui/keyboard/keyboard_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 "ui/keyboard/keyboard_controller.h"
 
 #include "base/bind.h"
 #include "ui/aura/layout_manager.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_delegate.h"
@@ skipping 53 matching lines @@
   virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE {}
   virtual void OnDeviceScaleFactorChanged(float device_scale_factor) OVERRIDE {}
   virtual void OnWindowDestroying() OVERRIDE {}
   virtual void OnWindowDestroyed() OVERRIDE { delete this; }
   virtual void OnWindowTargetVisibilityChanged(bool visible) OVERRIDE {}
   virtual bool HasHitTestMask() const OVERRIDE { return true; }
   virtual void GetHitTestMask(gfx::Path* mask) const OVERRIDE {
     gfx::Rect keyboard_bounds = KeyboardBoundsFromWindowBounds(bounds_);
     mask->addRect(RectToSkRect(keyboard_bounds));
   }
-  virtual scoped_refptr<ui::Texture> CopyTexture() OVERRIDE { return NULL; }
+  virtual void DidRecreateLayer(ui::Layer* old_layer,
+                                ui::Layer* new_layer) OVERRIDE {}
 
   gfx::Rect bounds_;
   DISALLOW_COPY_AND_ASSIGN(KeyboardWindowDelegate);
 };
 
 }  // namespace
 
 namespace keyboard {
 
 // LayoutManager for the virtual keyboard container.  Manages a single window
@@ skipping 138 matching lines @@
                     observer_list_,
                     OnKeyboardBoundsChanging(gfx::Rect()));
   proxy_->HideKeyboardContainer(container_);
 }
 
 bool KeyboardController::WillHideKeyboard() const {
   return weak_factory_.HasWeakPtrs();
 }
 
 }  // namespace keyboard