Gallery.app: Update thumbnail when a file is edited on the photo editor.

ui/file_manager/image_loader/request.js

 // Copyright 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.
 
 'use strict';
 
 /**
  * Creates and starts downloading and then resizing of the image. Finally,
  * returns the image using the callback.
  *
@@ skipping 255 matching lines @@
   }.bind(this);
 
   // Refreshes the access token and retries the request.
   var maybeRetryCall = function(code) {
     if (this.aborted_)
       return;
     requestTokenAndCall(true, onMaybeSuccess, onMaybeFailure);
   }.bind(this);
 
   // Do not request a token for local resources, since it is not necessary.
-  if (url.indexOf('filesystem:') === 0) {
-    this.xhr_ = AuthorizedXHR.load_(null, url, onMaybeSuccess, onMaybeFailure);
+  if (/^filesystem:/.test(url)) {
+    // The query parameter is workaround for
+    // crbug.com/379678, which force to obtain the latest contents of the image.
+    var noCacheUrl = url + '?nocache=' + Date.now();
+    this.xhr_ = AuthorizedXHR.load_(
+        null,
+        noCacheUrl,
+        onMaybeSuccess,
+        onMaybeFailure);
     return;
   }
 
   // Make the request with reusing the current token. If it fails, then retry.
   requestTokenAndCall(false, onMaybeSuccess, maybeRetryCall);
 };
 
 /**
  * Fetches data using authorized XmlHttpRequest with the provided OAuth2 token.
  * If the token is invalid, the request will fail.
@@ skipping 141 matching lines @@
   this.image_.src = 'data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAA' +
       'ABAAEAAAICTAEAOw==';
 
   this.xhr_.onload = function() {};
   this.xhr_.abort();
 
   // Dispose memory allocated by Canvas.
   this.canvas_.width = 0;
   this.canvas_.height = 0;
 };