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

chrome/browser/renderer_host/render_widget_host_view_views.cc

 // 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.
 
 #include "chrome/browser/renderer_host/render_widget_host_view_views.h"
 
 #include <algorithm>
 #include <string>
 
 #include "base/command_line.h"
@@ skipping 229 matching lines @@
       const_cast<RenderWidgetHostViewViews*>(this));
 #endif
 }
 
 void RenderWidgetHostViewViews::MovePluginWindows(
     const std::vector<webkit::npapi::WebPluginGeometry>& moves) {
   // TODO(anicolao): NIY
   // NOTIMPLEMENTED();
 }
 
-bool RenderWidgetHostViewViews::HasFocus() {
+bool RenderWidgetHostViewViews::HasFocus() const {
   return View::HasFocus();
 }
 
 void RenderWidgetHostViewViews::Show() {
   SetVisible(true);
 }
 
 void RenderWidgetHostViewViews::Hide() {
   SetVisible(false);
 }
@@ skipping 897 matching lines @@
   for (std::vector< base::Callback<void(void)> >::const_iterator
       it = on_compositing_ended_callbacks_.begin();
       it != on_compositing_ended_callbacks_.end(); ++it) {
     it->Run();
   }
   on_compositing_ended_callbacks_.clear();
   compositor->RemoveObserver(this);
 }
 
 #endif