Media Galleries API: Fix CopyTo test flaky timeout on Windows.

chrome/browser/extensions/api/media_galleries/media_galleries_apitest.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 "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 115 matching lines @@
 
 IN_PROC_BROWSER_TEST_F(MediaGalleriesPlatformAppBrowserTest,
                        MediaGalleriesRead) {
   chrome::EnsureMediaDirectoriesExists media_directories;
   ASSERT_TRUE(RunPlatformAppTest("api_test/media_galleries/read_access"))
       << message_;
   RunSecondTestPhase(base::UTF8ToUTF16(base::StringPrintf(
       kTestGalleries, media_directories.num_galleries())));
 }
 
-// Flakily times out: http://crbug.com/268481
 IN_PROC_BROWSER_TEST_F(MediaGalleriesPlatformAppBrowserTest,
-                       DISABLED_MediaGalleriesCopyTo) {
+                       MediaGalleriesCopyTo) {
   chrome::EnsureMediaDirectoriesExists media_directories;
   base::ScopedTempDir temp_dir;
   ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
   MakeFakeMediaGalleryForTest(browser()->profile(), temp_dir.path());
   ASSERT_TRUE(RunPlatformAppTest("api_test/media_galleries/copy_to_access"))
       << message_;
 }
 
 IN_PROC_BROWSER_TEST_F(MediaGalleriesPlatformAppBrowserTest,
                        MediaGalleriesCopyToNoAccess) {
@@ skipping 21 matching lines @@
 
   DetachFakeDevice();
 }
 
 IN_PROC_BROWSER_TEST_F(MediaGalleriesPlatformAppBrowserTest,
                        GetFilesystemMetadata) {
   chrome::EnsureMediaDirectoriesExists media_directories;
   ASSERT_TRUE(RunPlatformAppTest("api_test/media_galleries/metadata"))
       << message_;
 }