Gives ChromeVox access to the web store again.

chrome/renderer/extensions/renderer_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/renderer/extensions/renderer_permissions_policy_delegate.h"
 
 #include "base/command_line.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "chrome/common/extensions/extension_manifest_constants.h"
@@ skipping 12 matching lines @@
 }
 
 bool RendererPermissionsPolicyDelegate::CanExecuteScriptOnPage(
     const Extension* extension,
     const GURL& document_url,
     const GURL& top_document_url,
     int tab_id,
     const UserScript* script,
     int process_id,
     std::string* error) {
+  const Extension::ScriptingWhitelist* whitelist =
+      Extension::GetScriptingWhitelist();
+  if (std::find(whitelist->begin(), whitelist->end(), extension->id()) !=
+      whitelist->end()) {
+    return true;
+  }
+
   if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kSigninProcess)) {
     if (error)
       *error = errors::kCannotScriptSigninPage;
     return false;
   }
 
   if (dispatcher_->IsExtensionActive(extension_misc::kWebStoreAppId)) {
     if (error)
       *error = errors::kCannotScriptGallery;
     return false;
   }
 
   return true;
 }
 
 }  // namespace extensions