[Extensions] Use document url (not top url) for tab-specific permissions

extensions/renderer/extension_frame_helper.cc

 // Copyright 2013 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.
 
 #include "extensions/renderer/extension_frame_helper.h"
 
 #include "content/public/renderer/render_frame.h"
 #include "extensions/common/api/messaging/message.h"
 #include "extensions/common/extension_messages.h"
 #include "extensions/renderer/console.h"
@@ skipping 31 matching lines @@
 bool ExtensionFrameHelper::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(ExtensionFrameHelper, message)
     IPC_MESSAGE_HANDLER(ExtensionMsg_AddMessageToConsole,
                         OnAddMessageToConsole)
     IPC_MESSAGE_HANDLER(ExtensionMsg_DispatchOnConnect,
                         OnExtensionDispatchOnConnect)
     IPC_MESSAGE_HANDLER(ExtensionMsg_DeliverMessage, OnExtensionDeliverMessage)
     IPC_MESSAGE_HANDLER(ExtensionMsg_DispatchOnDisconnect,
                         OnExtensionDispatchOnDisconnect)
+    IPC_MESSAGE_HANDLER(ExtensionMsg_SetTabExtensionOwner,
+                        OnSetTabExtensionOwner)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
 }
 
 void ExtensionFrameHelper::OnAddMessageToConsole(
     content::ConsoleMessageLevel level,
     const std::string& message) {
   console::AddMessage(render_frame()->GetRenderView(), level, message);
 }
@@ skipping 22 matching lines @@
 }
 
 void ExtensionFrameHelper::OnExtensionDispatchOnDisconnect(
     int port_id,
     const std::string& error_message) {
   MessagingBindings::DispatchOnDisconnect(
       extension_dispatcher_->script_context_set(), port_id, error_message,
       render_frame());
 }
 
+void ExtensionFrameHelper::OnSetTabExtensionOwner(
+    const std::string& extension_id) {
+  tab_extension_owner_id_ = extension_id;
+}
+
 }  // namespace extensions