Fix build on the "Linux Clang (ChromeOS dbg)" bot.

chrome/browser/renderer_host/render_widget_host_view_views.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 CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_VIEWS_H_
 #define CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_VIEWS_H_
 #pragma once
 
 #include <map>
 #include <string>
@@ skipping 55 matching lines @@
       RenderWidgetHostView* reference_host_view) OVERRIDE;
   virtual RenderWidgetHost* GetRenderWidgetHost() const OVERRIDE;
   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 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 230 matching lines @@
 
 #if defined(UI_COMPOSITOR_IMAGE_TRANSPORT)
   std::map<uint64, scoped_refptr<AcceleratedSurfaceContainerLinux> >
       accelerated_surface_containers_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewViews);
 };
 
 #endif  // CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_VIEWS_H_