Disable MediaGalleriesNoAccess and MediaGalleriesRead browser tests

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/command_line.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/path_service.h"
 #include "base/stringprintf.h"
 #include "chrome/browser/extensions/extension_apitest.h"
@@ skipping 75 matching lines @@
 };
 
 
 }  // namespace
 
 IN_PROC_BROWSER_TEST_F(PlatformAppBrowserTest, NoGalleries) {
   ASSERT_TRUE(RunPlatformAppTest("api_test/media_galleries/no_galleries"))
       << message_;
 }
 
-IN_PROC_BROWSER_TEST_F(PlatformAppBrowserTest, MediaGalleriesRead) {
+// Flaky on WinXP - crbug.com/152185.
+#if defined(OS_WIN)
+#define MAYBE_MediaGalleriesRead DISABLED_MediaGalleriesRead
+#else
+#define MAYBE_MediaGalleriesRead MediaGalleriesRead
+#endif  // defined(OS_WIN)
+IN_PROC_BROWSER_TEST_F(PlatformAppBrowserTest, MAYBE_MediaGalleriesRead) {
   EnsurePictureDirectoryExists picture_directory;
   ASSERT_TRUE(RunPlatformAppTest("api_test/media_galleries/read_access"))
       << message_;
 }
 
-IN_PROC_BROWSER_TEST_F(PlatformAppBrowserTest, MediaGalleriesNoAccess) {
+// Flaky on WinXP - crbug.com/152185.
+#if defined(OS_WIN)
+#define MAYBE_MediaGalleriesNoAccess DISABLED_MediaGalleriesNoAccess
+#else
+#define MAYBE_MediaGalleriesNoAccess MediaGalleriesNoAccess
+#endif  // defined(OS_WIN)
+IN_PROC_BROWSER_TEST_F(PlatformAppBrowserTest,
+                       MAYBE_MediaGalleriesNoAccess) {
   EnsurePictureDirectoryExists picture_directory;
   ASSERT_TRUE(RunPlatformAppTest("api_test/media_galleries/no_access"))
       << message_;
 }
 
 IN_PROC_BROWSER_TEST_F(ExperimentalMediaGalleriesApiTest,
                        ExperimentalMediaGalleries) {
   ASSERT_TRUE(RunExtensionTest("media_galleries/experimental")) << message_;
 }