Fix issue that IME can't be enabled when set Plugin mode to "Click to play".

components/plugins/renderer/webview_plugin.h

 // Copyright 2013 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 COMPONENTS_PLUGINS_RENDERER_WEBVIEW_PLUGIN_H_
 #define COMPONENTS_PLUGINS_RENDERER_WEBVIEW_PLUGIN_H_
 
 #include <list>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 67 matching lines @@
 
   virtual void paint(blink::WebCanvas* canvas, const blink::WebRect& rect);
 
   // Coordinates are relative to the containing window.
   virtual void updateGeometry(
       const blink::WebRect& frame_rect,
       const blink::WebRect& clip_rect,
       const blink::WebVector<blink::WebRect>& cut_out_rects,
       bool is_visible);
 
-  virtual void updateFocus(bool) {}
+  virtual void updateFocus(bool);
   virtual void updateVisibility(bool) {}
 
   virtual bool acceptsInputEvents();
   virtual bool handleInputEvent(const blink::WebInputEvent& event,
                                 blink::WebCursorInfo& cursor_info);
 
   virtual void didReceiveResponse(const blink::WebURLResponse& response);
   virtual void didReceiveData(const char* data, int data_length);
   virtual void didFinishLoading();
   virtual void didFailLoading(const blink::WebURLError& error);
@@ skipping 49 matching lines @@
 
   // Owned by us, deleted via |close()|.
   blink::WebFrame* web_frame_;
   gfx::Rect rect_;
 
   blink::WebURLResponse response_;
   std::list<std::string> data_;
   bool finished_loading_;
   scoped_ptr<blink::WebURLError> error_;
   blink::WebString old_title_;
+  bool focused_;
 };
 
 #endif  // COMPONENTS_PLUGINS_RENDERER_WEBVIEW_PLUGIN_H_