Add loadCommit and loadStop Event

content/common/browser_plugin_messages.h

Index: content/common/browser_plugin_messages.h
diff --git a/content/common/browser_plugin_messages.h b/content/common/browser_plugin_messages.h
index 6bc5154b13372c0566e61d2e4b36ac9d39d54971..ef91f96001d848af4818029ec4a0a77e4284c73f 100644
--- a/content/common/browser_plugin_messages.h
+++ b/content/common/browser_plugin_messages.h
@@ -161,11 +161,17 @@ IPC_MESSAGE_CONTROL4(BrowserPluginMsg_LoadRedirect,
                      bool /* is_top_level */)
 
 // When the guest navigates, the browser process informs the embedder through
-// the BrowserPluginMsg_DidNavigate message.
-IPC_MESSAGE_CONTROL3(BrowserPluginMsg_DidNavigate,
+// the BrowserPluginMsg_LoadStop message.
+IPC_MESSAGE_CONTROL1(BrowserPluginMsg_LoadStop,
+                     int /* instance_id */)
+
+// When all the guest pages have completed, the browser process informs
+// the embedder through the BrowserPluginMsg_DidCommit message.
+IPC_MESSAGE_CONTROL4(BrowserPluginMsg_LoadCommit,
                      int /* instance_id */,
                      GURL /* url */,
-                     int /* process_id */)
+                     int /* process_id */,
+                     bool /* is_top_level */)
 
 // When the guest crashes, the browser process informs the embedder through this
 // message.