Re-reland Propagate OnNativeWidgetMove to delegate/observers, etc.

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/string_util.h"
 #include "third_party/skia/include/core/SkRegion.h"
 #include "ui/aura/client/activation_client.h"
@@ skipping 701 matching lines @@
 ////////////////////////////////////////////////////////////////////////////////
 // NativeWidgetAura, aura::WindowDelegate implementation:
 
 gfx::Size NativeWidgetAura::GetMinimumSize() const {
   return delegate_->GetMinimumSize();
 }
 
 void NativeWidgetAura::OnBoundsChanged(const gfx::Rect& old_bounds,
                                        const gfx::Rect& new_bounds) {
   if (old_bounds.origin() != new_bounds.origin())
-    GetWidget()->widget_delegate()->OnWidgetMove();
+    delegate_->OnNativeWidgetMove();
   if (old_bounds.size() != new_bounds.size()) {
 #if defined(ENABLE_DIP)
     delegate_->OnNativeWidgetSizeChanged(
         ConvertSizeFromMonitor(new_bounds.size()));
 #else
     delegate_->OnNativeWidgetSizeChanged(new_bounds.size());
 #endif
   }
 }
 
@@ skipping 316 matching lines @@
   }
 }
 
 // static
 bool NativeWidgetPrivate::IsMouseButtonDown() {
   return aura::Env::GetInstance()->is_mouse_button_down();
 }
 
 }  // namespace internal
 }  // namespace views