Move extension/webstore-related URL getters to the extension_urls namespace.

chrome/common/extensions/extension.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_COMMON_EXTENSIONS_EXTENSION_H_
 #define CHROME_COMMON_EXTENSIONS_EXTENSION_H_
 #pragma once
 
 #include <map>
 #include <set>
@@ skipping 190 matching lines @@
   // In a few special circumstances, we want to create an Extension and give it
   // an explicit id. Most consumers should just use the plain Create() method.
   static scoped_refptr<Extension> CreateWithId(
       const FilePath& path,
       Location location,
       const base::DictionaryValue& value,
       int flags,
       const std::string& explicit_id,
       std::string* error);
 
-  // Return the update url used by gallery/webstore extensions.
-  static GURL GalleryUpdateUrl(bool secure);
-
   // Given two install sources, return the one which should take priority
   // over the other. If an extension is installed from two sources A and B,
   // its install source should be set to GetHigherPriorityLocation(A, B).
   static Location GetHigherPriorityLocation(Location loc1, Location loc2);
 
   // Icon sizes used by the extension system.
   static const int kIconSizes[];
 
   // Max size (both dimensions) for browser and page actions.
   static const int kPageActionIconMaxSize;
@@ skipping 710 matching lines @@
   // only contain the removed permissions.
   const ExtensionPermissionSet* permissions;
 
   UpdatedExtensionPermissionsInfo(
       const Extension* extension,
       const ExtensionPermissionSet* permissions,
       Reason reason);
 };
 
 #endif  // CHROME_COMMON_EXTENSIONS_EXTENSION_H_