Allow plugins to participate in Chrome context menus.

content/browser/renderer_host/render_view_host.cc

Index: content/browser/renderer_host/render_view_host.cc
===================================================================
--- content/browser/renderer_host/render_view_host.cc	(revision 114593)
+++ content/browser/renderer_host/render_view_host.cc	(working copy)
@@ -1375,6 +1375,11 @@
   Send(new ViewMsg_MediaPlayerActionAt(routing_id(), location, action));
 }
 
+void RenderViewHost::ExecutePluginAction(
+    const WebKit::WebPluginAction& action) {
+  Send(new ViewMsg_PluginAction(routing_id(), action));
+}
+
 void RenderViewHost::DisassociateFromPopupCount() {
   Send(new ViewMsg_DisassociateFromPopupCount(routing_id()));
 }