Switch from TestBrowserThread to TestBrowserThreadBundle in chrome.

chrome/browser/printing/cloud_print/gcd_api_flow_unittest.cc

Index: chrome/browser/printing/cloud_print/gcd_api_flow_unittest.cc
diff --git a/chrome/browser/printing/cloud_print/gcd_api_flow_unittest.cc b/chrome/browser/printing/cloud_print/gcd_api_flow_unittest.cc
index 14db01e80ae615554f28f74b85417764f1f219a0..161e082abe0688bbf9e7a35c9977ecf569f5b635 100644
--- a/chrome/browser/printing/cloud_print/gcd_api_flow_unittest.cc
+++ b/chrome/browser/printing/cloud_print/gcd_api_flow_unittest.cc
@@ -8,11 +8,10 @@
 #include <utility>
 
 #include "base/bind.h"
-#include "base/message_loop/message_loop.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/values.h"
 #include "chrome/browser/printing/cloud_print/gcd_api_flow_impl.h"
-#include "content/public/test/test_browser_thread.h"
+#include "content/public/test/test_browser_thread_bundle.h"
 #include "google_apis/gaia/fake_oauth2_token_service.h"
 #include "google_apis/gaia/google_service_auth_error.h"
 #include "net/base/host_port_pair.h"
@@ -48,8 +47,7 @@ class MockDelegate : public CloudPrintApiFlowRequest {
 class GCDApiFlowTest : public testing::Test {
  public:
   GCDApiFlowTest()
-      : ui_thread_(content::BrowserThread::UI, &loop_),
-        request_context_(new net::TestURLRequestContextGetter(
+      : request_context_(new net::TestURLRequestContextGetter(
             base::ThreadTaskRunnerHandle::Get())),
         account_id_(kAccountId) {}
 
@@ -60,7 +58,6 @@ class GCDApiFlowTest : public testing::Test {
     token_service_.GetFakeOAuth2TokenServiceDelegate()->set_request_context(
         request_context_.get());
     token_service_.AddAccount(account_id_);
-    ui_thread_.Stop();  // HACK: Fake being on the UI thread
 
     std::unique_ptr<MockDelegate> delegate = base::MakeUnique<MockDelegate>();
     mock_delegate_ = delegate.get();
@@ -72,8 +69,7 @@ class GCDApiFlowTest : public testing::Test {
     gcd_flow_->Start(std::move(delegate));
   }
 
-  base::MessageLoopForUI loop_;
-  content::TestBrowserThread ui_thread_;
+  content::TestBrowserThreadBundle test_browser_thread_bundle_;
   scoped_refptr<net::TestURLRequestContextGetter> request_context_;
   net::TestURLFetcherFactory fetcher_factory_;
   FakeOAuth2TokenService token_service_;