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

chrome/browser/extensions/browser_permissions_policy_delegate.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 "chrome/browser/extensions/browser_permissions_policy_delegate.h"
 
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "content/public/browser/browser_thread.h"
 #include "extensions/common/manifest_constants.h"
 
 namespace extensions {
 
 namespace errors = manifest_errors;
 
 BrowserPermissionsPolicyDelegate::BrowserPermissionsPolicyDelegate() {
   PermissionsData::SetPolicyDelegate(this);
 }
 BrowserPermissionsPolicyDelegate::~BrowserPermissionsPolicyDelegate() {
   PermissionsData::SetPolicyDelegate(NULL);
 }
 
 bool BrowserPermissionsPolicyDelegate::CanExecuteScriptOnPage(
     const Extension* extension,
     const GURL& document_url,
-    const GURL& top_document_url,
     int tab_id,
     int process_id,
     std::string* error) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   return true;
 }
 
 }  // namespace extensions