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

ui/views/widget/native_widget_aura.cc

 // 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.
 
 #include "ui/views/widget/native_widget_aura.h"
 
 #include "base/bind.h"
 #include "base/strings/string_util.h"
 #include "third_party/skia/include/core/SkRegion.h"
 #include "ui/aura/client/activation_client.h"
@@ skipping 786 matching lines @@
 
 bool NativeWidgetAura::HasHitTestMask() const {
   return delegate_->HasHitTestMask();
 }
 
 void NativeWidgetAura::GetHitTestMask(gfx::Path* mask) const {
   DCHECK(mask);
   delegate_->GetHitTestMask(mask);
 }
 
-scoped_refptr<ui::Texture> NativeWidgetAura::CopyTexture() {
-  // The layer we create doesn't have an external texture, so this should never
-  // get invoked.
-  NOTREACHED();
-  return scoped_refptr<ui::Texture>();
+void NativeWidgetAura::DidRecreateLayer(ui::Layer *old_layer,
+                                        ui::Layer *new_layer) {
+  // The layer we create doesn't have an external texture, so we don't need to
+  // do anything.
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // NativeWidgetAura, ui::EventHandler implementation:
 
 void NativeWidgetAura::OnKeyEvent(ui::KeyEvent* event) {
   DCHECK(window_);
   if (event->is_char()) {
     // If a ui::InputMethod object is attached to the root window, character
     // events are handled inside the object and are not passed to this function.
@@ skipping 306 matching lines @@
   return aura::Env::GetInstance()->is_mouse_button_down();
 }
 
 // static
 bool NativeWidgetPrivate::IsTouchDown() {
   return aura::Env::GetInstance()->is_touch_down();
 }
 
 }  // namespace internal
 }  // namespace views