WIP: diff which plumbs through the event URL.

extensions/common/extension_messages.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // IPC messages for extensions.
 // Multiply-included message file, hence no include guard.
 
 #include <string>
 #include <vector>
 
@@ skipping 482 matching lines @@
 IPC_MESSAGE_ROUTED1(ExtensionHostMsg_Request,
                     ExtensionHostMsg_Request_Params)
 
 // A renderer sends this message when an extension process starts an API
 // request. The browser will always respond with a ExtensionMsg_Response.
 IPC_MESSAGE_CONTROL2(ExtensionHostMsg_RequestForIOThread,
                      int /* routing_id */,
                      ExtensionHostMsg_Request_Params)
 
 // Notify the browser that the given extension added a listener to an event.
-IPC_MESSAGE_CONTROL2(ExtensionHostMsg_AddListener,
+IPC_MESSAGE_CONTROL3(ExtensionHostMsg_AddListener,
                      std::string /* extension_id */,
+                     GURL /* listener_url */,
                      std::string /* name */)
 
 // Notify the browser that the given extension removed a listener from an
 // event.
-IPC_MESSAGE_CONTROL2(ExtensionHostMsg_RemoveListener,
+IPC_MESSAGE_CONTROL3(ExtensionHostMsg_RemoveListener,
                      std::string /* extension_id */,
+                     GURL /* listener_url */,
                      std::string /* name */)
 
 // Notify the browser that the given extension added a listener to an event from
 // a lazy background page.
 IPC_MESSAGE_CONTROL2(ExtensionHostMsg_AddLazyListener,
                      std::string /* extension_id */,
                      std::string /* name */)
 
 // Notify the browser that the given extension is no longer interested in
 // receiving the given event from a lazy background page.
@@ skipping 156 matching lines @@
 //   FrameHostMsg_DidCommitProvisionalLoad. Currently this only fires for the
 //   main frame.
 // * Something changed on an existing frame causing the set of matching searches
 //   to change.
 IPC_MESSAGE_ROUTED1(ExtensionHostMsg_OnWatchedPageChange,
                     std::vector<std::string> /* Matching CSS selectors */)
 
 // Sent by the renderer when it has received a Blob handle from the browser.
 IPC_MESSAGE_CONTROL1(ExtensionHostMsg_TransferBlobsAck,
                      std::vector<std::string> /* blob_uuids */)