Move Extension::UpdatesFromGallery to ManifestURL.

chrome/common/extensions/manifest_url_handler.h

 // Copyright (c) 2012 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_MANIFEST_URL_HANDLER_H_
 #define CHROME_COMMON_EXTENSIONS_MANIFEST_URL_HANDLER_H_
 
 #include <string>
 
 #include "chrome/common/extensions/extension.h"
@@ skipping 11 matching lines @@
 
   // Returns the Homepage URL for this extension.
   // If homepage_url was not specified in the manifest,
   // this returns the Google Gallery URL. For third-party extensions,
   // this returns a blank GURL.
   static const GURL GetHomepageURL(const Extension* extension);
 
   // Returns the Update URL for this extension.
   static const GURL& GetUpdateURL(const Extension* extension);
 
+  // Returns true if this extension's update URL is the extension gallery.
+  static bool UpdatesFromGallery(const Extension* extension);
+
   // Returns the Options Page for this extension.
   static const GURL& GetOptionsPage(const Extension* extension);
 
   // Returns the webstore page URL for this extension.
   static const GURL GetDetailsURL(const Extension* extension);
 };
 
 // A structure to hold the chrome URL overrides that may be specified
 // in the manifest of an extension.
 struct URLOverrides : public Extension::ManifestData {
@@ skipping 80 matching lines @@
 
  private:
   virtual const std::vector<std::string> Keys() const OVERRIDE;
 
   DISALLOW_COPY_AND_ASSIGN(URLOverridesHandler);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_COMMON_EXTENSIONS_MANIFEST_URL_HANDLER_H_