Move/replace/rename URL-based extension getters from ExtensionService to/in ExtensionSet.

chrome/common/extensions/extension_messages.h

 // Copyright (c) 2011 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 "base/shared_memory.h"
 #include "base/values.h"
 #include "chrome/common/extensions/extension.h"
@@ skipping 15 matching lines @@
   IPC_STRUCT_MEMBER(ListValue, arguments)
 
   // Extension ID this request was sent from. This can be empty, in the case
   // where we expose APIs to normal web pages using the extension function
   // system.
   IPC_STRUCT_MEMBER(std::string, extension_id)
 
   // URL of the frame the request was sent from. This isn't necessarily an
   // extension url. Extension requests can also originate from content scripts,
   // in which case extension_id will indicate the ID of the associated
-  // extension. Or, they can origiante from hosted apps or normal web pages.
+  // extension. Or, they can originate from hosted apps or normal web pages.
   IPC_STRUCT_MEMBER(GURL, source_url)
 
+  // Web security origin of the frame the request was sent from.
+  IPC_STRUCT_MEMBER(string16, source_origin)
+
   // Unique request id to match requests and responses.
   IPC_STRUCT_MEMBER(int, request_id)
 
   // True if request has a callback specified.
   IPC_STRUCT_MEMBER(bool, has_callback)
 
   // True if request is executed in response to an explicit user gesture.
   IPC_STRUCT_MEMBER(bool, user_gesture)
 IPC_STRUCT_END()
 
@@ skipping 315 matching lines @@
 // Response to the renderer for the above message.
 IPC_MESSAGE_ROUTED3(ExtensionMsg_GetAppNotifyChannelResponse,
                     std::string /* channel_id */,
                     std::string /* error */,
                     int32 /* callback_id */)
 
 // Deliver a message sent with ExtensionHostMsg_PostMessage.
 IPC_MESSAGE_ROUTED2(ExtensionMsg_DeliverMessage,
                     int /* target_port_id */,
                     std::string /* message */)