Initialize shell and browser thread for views event tests.

chrome/test/base/view_event_test_base.h

 // Copyright (c) 2011 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.
 
 #ifndef CHROME_TEST_BASE_VIEW_EVENT_TEST_BASE_H_
 #define CHROME_TEST_BASE_VIEW_EVENT_TEST_BASE_H_
 #pragma once
 
 // We only want to use ViewEventTestBase in test targets which properly
 // isolate each test case by running each test in a separate process.
 // This way if a test hangs the test launcher can reliably terminate it.
 #if defined(HAS_OUT_OF_PROC_TEST_RUNNER)
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/message_loop.h"
 #include "base/threading/thread.h"
+#include "content/test/test_browser_thread.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/views/widget/widget_delegate.h"
 
 namespace gfx {
 class Size;
 }
 
 // Base class for Views based tests that dispatch events.
 //
 // As views based event test involves waiting for events to be processed,
@@ skipping 98 matching lines @@
   void RunTestMethod(const base::Closure& task);
 
   // The content of the Window.
   views::View* content_view_;
 
   // Thread for posting background MouseMoves.
   scoped_ptr<base::Thread> dnd_thread_;
 
   MessageLoopForUI message_loop_;
 
+  content::TestBrowserThread ui_thread_;
+
   // Method factory used for time-outs.
   ScopedRunnableMethodFactory<ViewEventTestBase> method_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ViewEventTestBase);
 };
 
 // Convenience macro for defining a ViewEventTestBase. See class description
 // of ViewEventTestBase for details.
 #define VIEW_TEST(test_class, name) \
   TEST_F(test_class, name) {\
     StartMessageLoopAndRunTest();\
   }
 
 #endif  // defined(HAS_OUT_OF_PROC_TEST_RUNNER)
 
 #endif  // CHROME_TEST_BASE_VIEW_EVENT_TEST_BASE_H_