Remove Widget::OnRootViewLayout().

ui/views/widget/native_widget_aura.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_NATIVE_WIDGET_AURA_H_
 #define UI_VIEWS_WIDGET_NATIVE_WIDGET_AURA_H_
 
 #include <string>
 
 #include "base/macros.h"
@@ skipping 117 matching lines @@
   Widget::MoveLoopResult RunMoveLoop(
       const gfx::Vector2d& drag_offset,
       Widget::MoveLoopSource source,
       Widget::MoveLoopEscapeBehavior escape_behavior) override;
   void EndMoveLoop() override;
   void SetVisibilityChangedAnimationsEnabled(bool value) override;
   void SetVisibilityAnimationDuration(const base::TimeDelta& duration) override;
   void SetVisibilityAnimationTransition(
       Widget::VisibilityTransition transition) override;
   ui::NativeTheme* GetNativeTheme() const override;
-  void OnRootViewLayout() override;
   bool IsTranslucentWindowOpacitySupported() const override;
   void OnSizeConstraintsChanged() override;
   void RepostNativeEvent(gfx::NativeEvent native_event) override;
   std::string GetName() const override;
 
   // Overridden from aura::WindowDelegate:
   gfx::Size GetMinimumSize() const override;
   gfx::Size GetMaximumSize() const override;
   void OnBoundsChanged(const gfx::Rect& old_bounds,
                        const gfx::Rect& new_bounds) override;
@@ skipping 84 matching lines @@
   // The following factory is used for calls to close the NativeWidgetAura
   // instance.
   base::WeakPtrFactory<NativeWidgetAura> close_widget_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(NativeWidgetAura);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WIDGET_NATIVE_WIDGET_AURA_H_