Cleanup: Remove unneeded browser_thread.h includes.

chrome/browser/ui/window_sizer/window_sizer_common_unittest.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_WINDOW_SIZER_WINDOW_SIZER_COMMON_UNITTEST_H_
 #define CHROME_BROWSER_UI_WINDOW_SIZER_WINDOW_SIZER_COMMON_UNITTEST_H_
 
 #include <vector>
 
 #include "base/logging.h"
 #include "chrome/browser/ui/window_sizer/window_sizer.h"
 #include "chrome/test/base/test_browser_window.h"
-#include "content/public/test/test_browser_thread.h"
 #include "ui/gfx/rect.h"
 
 // Some standard primary monitor sizes (no task bar).
 static const gfx::Rect p1024x768(0, 0, 1024, 768);
 static const gfx::Rect p1280x1024(0, 0, 1280, 1024);
 static const gfx::Rect p1600x1200(0, 0, 1600, 1200);
 static const gfx::Rect p1680x1050(0, 0, 1680, 1050);
 static const gfx::Rect p1920x1200(0, 0, 1920, 1200);
 
 // Represents a 1024x768 monitor that is the secondary monitor, arranged to
@@ skipping 105 matching lines @@
 // the WindowSizer.
 // The |display_config| is the primary display configuration used.
 ui::WindowShowState GetWindowShowState(
     ui::WindowShowState show_state_persisted,
     ui::WindowShowState show_state_last,
     Source source,
     const Browser* browser,
     const gfx::Rect& display_config);
 
 #endif  // CHROME_BROWSER_UI_WINDOW_SIZER_WINDOW_SIZER_COMMON_UNITTEST_H_