Fix Aura build after r107403 (303778).

content/browser/renderer_host/render_widget_host_view_aura.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 "content/browser/renderer_host/render_widget_host_view_aura.h"
 
 #include "base/logging.h"
 #include "content/browser/renderer_host/backing_store_skia.h"
 #include "content/browser/renderer_host/web_input_event_aura.h"
 #include "content/browser/renderer_host/render_widget_host.h"
@@ skipping 93 matching lines @@
 }
 
 void RenderWidgetHostViewAura::Focus() {
   window_->Focus();
 }
 
 void RenderWidgetHostViewAura::Blur() {
   window_->Blur();
 }
 
-bool RenderWidgetHostViewAura::HasFocus() {
+bool RenderWidgetHostViewAura::HasFocus() const {
   return window_->HasFocus();
 }
 
 void RenderWidgetHostViewAura::Show() {
   window_->Show();
 }
 
 void RenderWidgetHostViewAura::Hide() {
   window_->Hide();
 }
@@ skipping 293 matching lines @@
 }
 #endif
 
 ////////////////////////////////////////////////////////////////////////////////
 // RenderWidgetHostViewAura, private:
 
 void RenderWidgetHostViewAura::UpdateCursorIfOverSelf() {
   //NOTIMPLEMENTED();
   // TODO(beng): See RenderWidgetHostViewWin.
 }