Consider the origin when computing extension permissions

chrome/renderer/extensions/user_script_slave.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.
 
 #ifndef CHROME_RENDERER_EXTENSIONS_USER_SCRIPT_SLAVE_H_
 #define CHROME_RENDERER_EXTENSIONS_USER_SCRIPT_SLAVE_H_
 #pragma once
 
 #include <map>
 #include <set>
@@ skipping 15 matching lines @@
 class WebFrame;
 }
 
 using WebKit::WebScriptSource;
 
 // Manages installed UserScripts for a render process.
 class UserScriptSlave {
  public:
   // Utility to get the URL we will match against for a frame. If the frame has
   // committed, this is the commited URL. Otherwise it is the provisional URL.
-  static GURL GetLatestURLForFrame(WebKit::WebFrame* frame);
+  static GURL GetDataSourceURLForFrame(WebKit::WebFrame* frame);
 
   explicit UserScriptSlave(const ExtensionSet* extensions);
   ~UserScriptSlave();
 
   // Returns the unique set of extension IDs this UserScriptSlave knows about.
   void GetActiveExtensions(std::set<std::string>* extension_ids);
 
   // Update the parsed scripts from shared memory.
   bool UpdateScripts(base::SharedMemoryHandle shared_memory);
 
@@ skipping 32 matching lines @@
   // Extension metadata.
   const ExtensionSet* extensions_;
 
   typedef std::map<std::string, int> IsolatedWorldMap;
   IsolatedWorldMap isolated_world_ids_;
 
   DISALLOW_COPY_AND_ASSIGN(UserScriptSlave);
 };
 
 #endif  // CHROME_RENDERER_EXTENSIONS_USER_SCRIPT_SLAVE_H_