Revert 170458 - Hide new Autofill Popup on Main Widget Resize or Move.

ui/views/widget/widget_observer.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 UI_VIEWS_WIDGET_WIDGET_OBSERVER_H_
 #define UI_VIEWS_WIDGET_WIDGET_OBSERVER_H_
 
 #include "ui/views/views_export.h"
 
-namespace gfx {
-class Rect;
-}
-
 namespace views {
 
 class Widget;
 
 // Observers can listen to various events on the Widgets.
 class VIEWS_EXPORT WidgetObserver {
  public:
   virtual void OnWidgetClosing(Widget* widget) {}
 
   virtual void OnWidgetVisibilityChanged(Widget* widget, bool visible) {}
 
   virtual void OnWidgetActivationChanged(Widget* widget, bool active) {}
 
-  virtual void OnWidgetBoundsChanged(Widget* widget,
-                                     const gfx::Rect& new_bounds) {}
+  virtual void OnWidgetMoved(Widget* widget) {}
 
  protected:
   virtual ~WidgetObserver() {}
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WIDGET_WIDGET_OBSERVER_H_