Add wallpaper experimental api framework and add a simple category list.

chrome/common/extensions/api/extension_api.cc

 // 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.
 
 #include "chrome/common/extensions/api/extension_api.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 367 matching lines @@
   RegisterSchema("experimental.processes", ReadFromResource(
       IDR_EXTENSION_API_JSON_EXPERIMENTAL_PROCESSES));
   RegisterSchema("experimental.record", ReadFromResource(
       IDR_EXTENSION_API_JSON_EXPERIMENTAL_RECORD));
   RegisterSchema("experimental.rlz", ReadFromResource(
       IDR_EXTENSION_API_JSON_EXPERIMENTAL_RLZ));
   RegisterSchema("runtime", ReadFromResource(
       IDR_EXTENSION_API_JSON_RUNTIME));
   RegisterSchema("experimental.speechInput", ReadFromResource(
       IDR_EXTENSION_API_JSON_EXPERIMENTAL_SPEECHINPUT));
+  RegisterSchema("experimental.wallpaperManager", ReadFromResource(
+      IDR_EXTENSION_API_JSON_EXPERIMENTAL_WALLPAPERMANAGER));
   RegisterSchema("extension", ReadFromResource(
       IDR_EXTENSION_API_JSON_EXTENSION));
   RegisterSchema("fileBrowserHandler", ReadFromResource(
       IDR_EXTENSION_API_JSON_FILEBROWSERHANDLER));
   RegisterSchema("fileBrowserPrivate", ReadFromResource(
       IDR_EXTENSION_API_JSON_FILEBROWSERPRIVATE));
   RegisterSchema("history", ReadFromResource(
       IDR_EXTENSION_API_JSON_HISTORY));
   RegisterSchema("i18n", ReadFromResource(
       IDR_EXTENSION_API_JSON_I18N));
@@ skipping 401 matching lines @@
 
 void ExtensionAPI::LoadAllSchemas() {
   while (unloaded_schemas_.size()) {
     std::map<std::string, base::StringPiece>::iterator it =
         unloaded_schemas_.begin();
     LoadSchema(it->first, it->second);
   }
 }
 
 }  // namespace extensions