Consider the origin when computing extension permissions

chrome/renderer/extensions/extension_resource_request_policy.cc

 // 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.
 
 #include "chrome/renderer/extensions/extension_resource_request_policy.h"
 
 #include "base/logging.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_set.h"
 #include "googleurl/src/gurl.h"
 
 // static
 bool ExtensionResourceRequestPolicy::CanRequestResource(
     const GURL& resource_url,
     const GURL& frame_url,
     const ExtensionSet* loaded_extensions) {
   CHECK(resource_url.SchemeIs(chrome::kExtensionScheme));
 
-  const Extension* extension = loaded_extensions->GetByURL(resource_url);
+  const Extension* extension =
+      loaded_extensions->GetByURL(ExtensionURLInfo(resource_url));
   if (!extension) {
     // Allow the load in the case of a non-existent extension. We'll just get a
     // 404 from the browser process.
     return true;
   }
 
   // Disallow loading of packaged resources for hosted apps. We don't allow
   // hybrid hosted/packaged apps. The one exception is access to icons, since
   // some extensions want to be able to do things like create their own
   // launchers.
   std::string resource_root_relative_path =
       resource_url.path().empty() ? "" : resource_url.path().substr(1);
   if (extension->is_hosted_app() &&
       !extension->icons().ContainsPath(resource_root_relative_path)) {
     LOG(ERROR) << "Denying load of " << resource_url.spec() << " from "
                << "hosted app.";
     return false;
   }
 
   return true;
 }
 
 ExtensionResourceRequestPolicy::ExtensionResourceRequestPolicy() {
 }