test-shell is outside of the screen when running layout tests.

Tools/DumpRenderTree/chromium/WebViewHost.cpp

 /*
  * Copyright (C) 2010, 2011, 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 65 matching lines @@
 #include <wtf/PassOwnPtr.h>
 #include <wtf/Vector.h>
 
 using namespace WebCore;
 using namespace WebKit;
 using namespace WebTestRunner;
 using namespace std;
 
 static const int screenWidth = 1920;
 static const int screenHeight = 1080;
-static const int screenUnavailableBorder = 8;
+
+const int WebViewHost::screenUnavailableBorder = 8;
 
 static int nextPageID = 1;
 
 // WebViewClient -------------------------------------------------------------
 
 WebView* WebViewHost::createView(WebFrame* creator, const WebURLRequest&, const WebWindowFeatures&, const WebString&, WebNavigationPolicy)
 {
     WebUserGestureIndicator::consumeUserGesture();
     return m_shell->createNewWindow(WebURL())->webView();
 }
@@ skipping 906 matching lines @@
     webView()->willExitFullScreen();
     webView()->didExitFullScreen();
 }
 
 webkit_support::TestMediaStreamClient* WebViewHost::testMediaStreamClient()
 {
     if (!m_testMediaStreamClient.get())
         m_testMediaStreamClient = adoptPtr(new webkit_support::TestMediaStreamClient());
     return m_testMediaStreamClient.get();
 }