Refactor PermissionsData to pull out the check for scripting the webstore.

chrome/common/extensions/chrome_extensions_client.h

 // 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.
 
 #ifndef CHROME_COMMON_EXTENSIONS_CHROME_EXTENSIONS_CLIENT_H_
 #define CHROME_COMMON_EXTENSIONS_CHROME_EXTENSIONS_CLIENT_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/lazy_instance.h"
@@ skipping 20 matching lines @@
   virtual void FilterHostPermissions(
       const URLPatternSet& hosts,
       URLPatternSet* new_hosts,
       std::set<PermissionMessage>* messages) const OVERRIDE;
   virtual void SetScriptingWhitelist(const ScriptingWhitelist& whitelist)
       OVERRIDE;
   virtual const ScriptingWhitelist& GetScriptingWhitelist() const OVERRIDE;
   virtual URLPatternSet GetPermittedChromeSchemeHosts(
       const Extension* extension,
       const APIPermissionSet& api_permissions) const OVERRIDE;
-
+  virtual bool IsScriptableURL(const GURL& url, std::string* error) const
+      OVERRIDE;
   // Get the LazyInstance for ChromeExtensionsClient.
   static ChromeExtensionsClient* GetInstance();
 
  private:
   const ChromeAPIPermissions chrome_api_permissions_;
   const ChromePermissionMessageProvider permission_message_provider_;
 
   // A whitelist of extensions that can script anywhere. Do not add to this
   // list (except in tests) without consulting the Extensions team first.
   // Note: Component extensions have this right implicitly and do not need to be
   // added to this list.
   ScriptingWhitelist scripting_whitelist_;
 
   friend struct base::DefaultLazyInstanceTraits<ChromeExtensionsClient>;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeExtensionsClient);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_COMMON_EXTENSIONS_CHROME_EXTENSIONS_CLIENT_H_