Browser Plugin: Tell WebKit that the Browser Plugin supports keyboard focus.

content/renderer/browser_plugin/browser_plugin.h

 // Copyright (c) 2012 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_RENDERER_BROWSER_PLUGIN_BROWSER_PLUGIN_H_
 #define  CONTENT_RENDERER_BROWSER_PLUGIN_BROWSER_PLUGIN_H_
 
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebPlugin.h"
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 42 matching lines @@
                         v8::Local<v8::Function> function);
   // Remove a custom event listener from this BrowserPlugin instance.
   bool RemoveEventListener(const std::string& event_name,
                         v8::Local<v8::Function> function);
 
   // WebKit::WebPlugin implementation.
   virtual WebKit::WebPluginContainer* container() const OVERRIDE;
   virtual bool initialize(WebKit::WebPluginContainer* container) OVERRIDE;
   virtual void destroy() OVERRIDE;
   virtual NPObject* scriptableObject() OVERRIDE;
+  virtual bool supportsKeyboardFocus() const OVERRIDE;
   virtual void paint(
       WebKit::WebCanvas* canvas,
       const WebKit::WebRect& rect) OVERRIDE;
   virtual void updateGeometry(
       const WebKit::WebRect& frame_rect,
       const WebKit::WebRect& clip_rect,
       const WebKit::WebVector<WebKit::WebRect>& cut_outs_rects,
       bool is_visible) OVERRIDE;
   virtual void updateFocus(bool focused) OVERRIDE;
   virtual void updateVisibility(bool visible) OVERRIDE;
@@ skipping 66 matching lines @@
   std::string src_;
   typedef std::vector<v8::Persistent<v8::Function> > EventListeners;
   typedef std::map<std::string, EventListeners> EventListenerMap;
   EventListenerMap event_listener_map_;
   DISALLOW_COPY_AND_ASSIGN(BrowserPlugin);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_BROWSER_PLUGIN_BROWSER_PLUGIN_H_