Move apps tests from c/b/extensions to c/b/apps and refine DEPS.

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"
+#include "chrome/browser/apps/app_browsertest_util.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/extensions/extension_apitest.h"
 #include "chrome/browser/extensions/extension_process_manager.h"
 #include "chrome/browser/extensions/extension_system.h"
-#include "chrome/browser/extensions/platform_app_browsertest_util.h"
 #include "chrome/browser/media_galleries/media_file_system_registry.h"
 #include "chrome/browser/media_galleries/media_galleries_preferences.h"
 #include "chrome/browser/media_galleries/media_galleries_test_util.h"
 #include "chrome/browser/storage_monitor/storage_info.h"
 #include "chrome/browser/storage_monitor/storage_monitor.h"
 #include "chrome/browser/ui/browser.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/test/test_utils.h"
 #include "extensions/common/switches.h"
 
@@ skipping 143 matching lines @@
 
   DetachFakeDevice();
 }
 
 IN_PROC_BROWSER_TEST_F(MediaGalleriesPlatformAppBrowserTest,
                        GetFilesystemMetadata) {
   chrome::EnsureMediaDirectoriesExists media_directories;
   ASSERT_TRUE(RunPlatformAppTest("api_test/media_galleries/metadata"))
       << message_;
 }