Special case the gallery to not show the scary download roadblock.

chrome/common/extensions/extension.h

 // Copyright (c) 2009 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_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 45 matching lines @@
 
   // NOTE: If you change this list, you should also change kIconSizes in the cc
   // file.
   enum Icons {
     EXTENSION_ICON_LARGE = 128,
     EXTENSION_ICON_MEDIUM = 48,
     EXTENSION_ICON_SMALL = 32,
     EXTENSION_ICON_BITTY = 16,
   };
 
-  // The URL to browse the extensions gallery.
-  static const char* kGalleryBrowseUrl;
-
   // Icon sizes used by the extension system.
   static const int kIconSizes[];
 
   // Max size (both dimensions) for browser and page actions.
   static const int kPageActionIconMaxSize;
   static const int kBrowserActionIconMaxSize;
 
   // Each permission is a module that the extension is permitted to use.
   static const char* kTabPermission;
   static const char* kBookmarkPermission;
@@ skipping 340 matching lines @@
 
   // True if the background page is ready.
   bool background_page_ready_;
 
   FRIEND_TEST(ExtensionTest, LoadPageActionHelper);
 
   DISALLOW_COPY_AND_ASSIGN(Extension);
 };
 
 #endif  // CHROME_COMMON_EXTENSIONS_EXTENSION_H_