TestScreen shouldn't be marked aura export

chrome/test/base/browser_with_test_window_test.cc

 // 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.
 
 #include "chrome/test/base/browser_with_test_window_test.h"
 
 #if defined(OS_WIN)
 #include <ole2.h>
 #endif  // defined(OS_WIN)
 
 #include "chrome/browser/tabs/tab_strip_model.h"
 #include "chrome/browser/ui/browser_navigator.h"
 #include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
 #include "chrome/common/render_messages.h"
 #include "chrome/test/base/testing_profile.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/page_transition_types.h"
 #include "content/test/test_renderer_host.h"
 
 #if defined(USE_AURA)
 #include "ui/aura/root_window.h"
 #include "ui/aura/test/test_activation_client.h"
+#include "ui/aura/test/test_screen.h"
 #include "ui/aura/test/test_stacking_client.h"
 #endif
 
 using content::BrowserThread;
 using content::NavigationController;
 using content::RenderViewHost;
 using content::RenderViewHostTester;
 using content::WebContents;
 
 BrowserWithTestWindowTest::BrowserWithTestWindowTest()
     : ui_thread_(BrowserThread::UI, message_loop()),
       file_thread_(BrowserThread::FILE, message_loop()),
       file_user_blocking_thread_(
           BrowserThread::FILE_USER_BLOCKING, message_loop()) {
 #if defined(OS_WIN)
   OleInitialize(NULL);
 #endif
 }
 
 void BrowserWithTestWindowTest::SetUp() {
   testing::Test::SetUp();
 
   profile_.reset(CreateProfile());
   browser_.reset(new Browser(Browser::TYPE_TABBED, profile()));
   window_.reset(new TestBrowserWindow(browser()));
   browser_->SetWindowForTesting(window_.get());
 #if defined(USE_AURA)
   root_window_.reset(new aura::RootWindow);
+  gfx::Screen::SetInstance(new aura::TestScreen(root_window_.get()));
   test_activation_client_.reset(
       new aura::test::TestActivationClient(root_window_.get()));
   test_stacking_client_.reset(
       new aura::test::TestStackingClient(root_window_.get()));
 #endif
 }
 
 void BrowserWithTestWindowTest::TearDown() {
   testing::Test::TearDown();
 #if defined(USE_AURA)
@@ skipping 85 matching lines @@
   // Make sure we close all tabs, otherwise Browser isn't happy in its
   // destructor.
   browser()->CloseAllTabs();
   browser_.reset(NULL);
   window_.reset(NULL);
 }
 
 TestingProfile* BrowserWithTestWindowTest::CreateProfile() {
   return new TestingProfile();
 }