Sync 3rd party wallpaper app name

chrome/browser/resources/chromeos/wallpaper_manager/js/util.js

 // Copyright (c) 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.
 
 var WallpaperUtil = {
   strings: null,  // Object that contains all the flags
   syncFs: null,   // syncFileSystem handler
   webkitFs: null  // webkitFileSystem handler
 };
 
@@ skipping 241 matching lines @@
               reader.result,
               wallpaperLayout,
               true,
               wallpaperFilename,
               function(thumbnailData) {
                 // TODO(ranj): Ignore 'canceledWallpaper' error.
                 if (chrome.runtime.lastError) {
                   console.error(chrome.runtime.lastError.message);
                   return;
                 }
-                WallpaperUtil.storeWallpaperToLocalFS(wallpaperFilename,
-                    reader.result, Constants.WallpaperDirNameEnum.ORIGINAL);
-                WallpaperUtil.storeWallpaperToLocalFS(wallpaperFilename,
-                    thumbnailData, Constants.WallpaperDirNameEnum.THUMBNAIL);
                 if (onSuccess)
                   onSuccess();
               });
         };
         reader.readAsArrayBuffer(file);
       }, WallpaperUtil.onFileSystemError);
     }, function(e) {}  // fail to read file, expected due to download delay
     );
   };
   WallpaperUtil.requestSyncFS(setWallpaperFromSyncCallback);
@@ skipping 27 matching lines @@
   });
 };
 
 /**
  * Saves user's wallpaper infomation to local and sync storage. Note that local
  * value should be saved first.
  * @param {string} url The url address of wallpaper. For custom wallpaper, it is
  *     the file name.
  * @param {string} layout The wallpaper layout.
  * @param {string} source The wallpaper source.
+ * @param {string} appName The third party app name. If the current wallpaper is
+ *     set by the built-in wallpaper picker, it is set to an empty string.
  */
-WallpaperUtil.saveWallpaperInfo = function(url, layout, source) {
+WallpaperUtil.saveWallpaperInfo = function(url, layout, source, appName) {
   var wallpaperInfo = {
       url: url,
       layout: layout,
-      source: source
+      source: source,
+      appName: appName,
   };
   WallpaperUtil.saveToLocalStorage(Constants.AccessLocalWallpaperInfoKey,
                               wallpaperInfo, function() {
     WallpaperUtil.saveToSyncStorage(Constants.AccessSyncWallpaperInfoKey,
                                 wallpaperInfo);
   });
 };
 
 /**
  * Downloads resources from url. Calls onSuccess and opt_onFailure accordingly.
@@ skipping 43 matching lines @@
   chrome.wallpaperPrivate.setWallpaperIfExists(url, layout, function(exists) {
     if (exists) {
       onSuccess();
       return;
     }
 
     self.fetchURL(url, 'arraybuffer', function(xhr) {
       if (xhr.response != null) {
         chrome.wallpaperPrivate.setWallpaper(xhr.response, layout, url,
                                              onSuccess);
-        self.saveWallpaperInfo(url, layout,
-                               Constants.WallpaperSourceEnum.Online);
+        self.saveWallpaperInfo(
+            url, layout, Constants.WallpaperSourceEnum.Online, '');
       } else {
         onFailure();
       }
     }, onFailure);
   });
 };
 
 /**
  * Runs chrome.test.sendMessage in test environment. Does nothing if running
  * in production environment.
  *
  * @param {string} message Test message to send.
  */
 WallpaperUtil.testSendMessage = function(message) {
   var test = chrome.test || window.top.chrome.test;
   if (test)
     test.sendMessage(message);
 };