Adding sync plugin messages, and plugin broadcasts to the renderer processes

Review URL: http://codereview.chromium.org/2411

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@2246 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/renderer/render_thread.h b/chrome/renderer/render_thread.h
index 50e022a..4dc9b99 100644
--- a/chrome/renderer/render_thread.h
+++ b/chrome/renderer/render_thread.h
@@ -75,6 +75,8 @@
  private:
   void OnUpdateVisitedLinks(SharedMemoryHandle table);
 
+  void OnPluginMessage(const std::wstring& dll_path,
+                       const std::vector<uint8>& data);
   void OnSetNextPageID(int32 next_page_id);
   void OnCreateNewView(HWND parent_hwnd,
                        HANDLE modal_dialog_event,