Fix the const of HasFocus for aura.

content/browser/renderer_host/render_widget_host_view_aura.h

 // Copyright (c) 2011 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 CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_AURA_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_AURA_H_
 #pragma once
 
 #include <map>
 
@@ skipping 26 matching lines @@
   virtual void DidBecomeSelected() OVERRIDE;
   virtual void WasHidden() OVERRIDE;
   virtual void SetSize(const gfx::Size& size) OVERRIDE;
   virtual void SetBounds(const gfx::Rect& rect) OVERRIDE;
   virtual gfx::NativeView GetNativeView() const OVERRIDE;
   virtual gfx::NativeViewId GetNativeViewId() const OVERRIDE;
   virtual void MovePluginWindows(
       const std::vector<webkit::npapi::WebPluginGeometry>& moves) OVERRIDE;
   virtual void Focus() OVERRIDE;
   virtual void Blur() OVERRIDE;
-  virtual bool HasFocus() OVERRIDE;
+  virtual bool HasFocus() const OVERRIDE;
   virtual void Show() OVERRIDE;
   virtual void Hide() OVERRIDE;
   virtual bool IsShowing() OVERRIDE;
   virtual gfx::Rect GetViewBounds() const OVERRIDE;
   virtual void UpdateCursor(const WebCursor& cursor) OVERRIDE;
   virtual void SetIsLoading(bool is_loading) OVERRIDE;
   virtual void TextInputStateChanged(ui::TextInputType type,
                                      bool can_compose_inline) OVERRIDE;
   virtual void ImeCancelComposition() OVERRIDE;
   virtual void DidUpdateBackingStore(
@@ skipping 80 matching lines @@
   std::vector< base::Callback<void(void)> > on_compositing_ended_callbacks_;
 
   std::map<uint64, scoped_refptr<AcceleratedSurfaceContainerLinux> >
       accelerated_surface_containers_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewAura);
 };
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_AURA_H_