Remove rendundant WebLocalFrame parameter in various plugin code.

content/renderer/render_frame_impl.h

Index: content/renderer/render_frame_impl.h
diff --git a/content/renderer/render_frame_impl.h b/content/renderer/render_frame_impl.h
index 1fdeefe8b219d6f7c70b82c170e2078dfea06117..32949f45c2d4542ea3afd4ae521efb54ca5d48cb 100644
--- a/content/renderer/render_frame_impl.h
+++ b/content/renderer/render_frame_impl.h
@@ -438,7 +438,6 @@ class CONTENT_EXPORT RenderFrameImpl
                       const ContextMenuParams& params) override;
   void CancelContextMenu(int request_id) override;
   blink::WebPlugin* CreatePlugin(
-      blink::WebFrame* frame,
       const WebPluginInfo& info,
       const blink::WebPluginParams& params,
       std::unique_ptr<PluginInstanceThrottler> throttler) override;
@@ -498,8 +497,7 @@ class CONTENT_EXPORT RenderFrameImpl
   void SetHostZoomLevel(const GURL& url, double zoom_level) override;
 
   // blink::WebFrameClient implementation:
-  blink::WebPlugin* CreatePlugin(blink::WebLocalFrame* frame,
-                                 const blink::WebPluginParams& params) override;
+  blink::WebPlugin* CreatePlugin(const blink::WebPluginParams& params) override;
   blink::WebMediaPlayer* CreateMediaPlayer(
       const blink::WebMediaPlayerSource& source,
       blink::WebMediaPlayerClient* client,