Allow plugins to participate in Chrome context menus.

content/renderer/render_view_impl.h

Index: content/renderer/render_view_impl.h
===================================================================
--- content/renderer/render_view_impl.h	(revision 117246)
+++ content/renderer/render_view_impl.h	(working copy)
@@ -127,6 +127,7 @@
 struct WebFileChooserParams;
 struct WebFindOptions;
 struct WebMediaPlayerAction;
+struct WebPluginAction;
 struct WebPoint;
 struct WebWindowFeatures;
 }
@@ -791,6 +792,8 @@
   void OnLockMouseACK(bool succeeded);
   void OnMediaPlayerActionAt(const gfx::Point& location,
                              const WebKit::WebMediaPlayerAction& action);
+  void OnPluginActionAt(const gfx::Point& location,
+                        const WebKit::WebPluginAction& action);
   void OnMouseLockLost();
   void OnMoveOrResizeStarted();
   CONTENT_EXPORT void OnNavigate(const ViewMsg_Navigate_Params& params);