Switch from TestBrowserThread to TestBrowserThreadBundle in chrome.

chrome/browser/thumbnails/content_based_thumbnailing_algorithm_unittest.cc

Index: chrome/browser/thumbnails/content_based_thumbnailing_algorithm_unittest.cc
diff --git a/chrome/browser/thumbnails/content_based_thumbnailing_algorithm_unittest.cc b/chrome/browser/thumbnails/content_based_thumbnailing_algorithm_unittest.cc
index 7fff79c8810d695bb462d1688fa52f14fdcc8e8e..cf6de0e4eaa61646ec0bb892a1ecd91244e76782 100644
--- a/chrome/browser/thumbnails/content_based_thumbnailing_algorithm_unittest.cc
+++ b/chrome/browser/thumbnails/content_based_thumbnailing_algorithm_unittest.cc
@@ -2,13 +2,13 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#include "chrome/browser/thumbnails/content_based_thumbnailing_algorithm.h"
+
 #include "base/macros.h"
-#include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
-#include "chrome/browser/thumbnails/content_based_thumbnailing_algorithm.h"
 #include "chrome/browser/thumbnails/simple_thumbnail_crop.h"
 #include "content/public/browser/browser_thread.h"
-#include "content/public/test/test_browser_thread.h"
+#include "content/public/test/test_browser_thread_bundle.h"
 #include "skia/ext/platform_canvas.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/skia/include/core/SkBitmap.h"
@@ -149,9 +149,7 @@ TEST_F(ContentBasedThumbnailingAlgorithmTest, CreateRetargetedThumbnail) {
   context->requested_copy_size = image_size;
   context->clip_result = CLIP_RESULT_SOURCE_SAME_AS_TARGET;
 
-  base::MessageLoopForUI message_loop;
-  content::TestBrowserThread ui_thread(content::BrowserThread::UI,
-                                       &message_loop);
+  content::TestBrowserThreadBundle test_browser_thread_bundle;
   ContentBasedThumbnailingAlgorithm::CreateRetargetedThumbnail(
       source,
       thumbnail_size,