Switch from TestBrowserThread to TestBrowserThreadBundle in chrome.

chrome/browser/extensions/chrome_info_map_unittest.cc

Index: chrome/browser/extensions/chrome_info_map_unittest.cc
diff --git a/chrome/browser/extensions/chrome_info_map_unittest.cc b/chrome/browser/extensions/chrome_info_map_unittest.cc
index a22a1c154f9ed00d973bf067ffb313175a069f9e..703330590670c6400265b55511fa2d8ab6aad1a2 100644
--- a/chrome/browser/extensions/chrome_info_map_unittest.cc
+++ b/chrome/browser/extensions/chrome_info_map_unittest.cc
@@ -3,18 +3,15 @@
 // found in the LICENSE file.
 
 #include "base/json/json_file_value_serializer.h"
-#include "base/message_loop/message_loop.h"
 #include "base/path_service.h"
 #include "chrome/common/chrome_paths.h"
-#include "content/public/test/test_browser_thread.h"
+#include "content/public/test/test_browser_thread_bundle.h"
 #include "extensions/browser/info_map.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/manifest_constants.h"
 #include "extensions/common/permissions/permissions_data.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-using content::BrowserThread;
-
 namespace extensions {
 namespace {
 
@@ -47,14 +44,10 @@ scoped_refptr<Extension> LoadManifest(const std::string& dir,
 // (specifically, notifications) that do not exist in src/extensions.
 class ChromeInfoMapTest : public testing::Test {
  public:
-  ChromeInfoMapTest()
-      : ui_thread_(BrowserThread::UI, &message_loop_),
-        io_thread_(BrowserThread::IO, &message_loop_) {}
+  ChromeInfoMapTest() = default;
 
  private:
-  base::MessageLoop message_loop_;
-  content::TestBrowserThread ui_thread_;
-  content::TestBrowserThread io_thread_;
+  content::TestBrowserThreadBundle test_browser_thread_bundle_;
 };
 
 // Tests API access permissions given both extension and app URLs.