Revert my change to get the tree green. Not sure why the tests became flaky....

chrome/browser/tab_contents/interstitial_page.h

 // Copyright (c) 2006-2008 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_TAB_CONTENTS_INTERSTITIAL_PAGE_H_
 #define CHROME_BROWSER_TAB_CONTENTS_INTERSTITIAL_PAGE_H_
 
 #include <string>
 
-#include "base/gfx/size.h"
 #include "chrome/browser/renderer_host/render_view_host_delegate.h"
 #include "chrome/common/notification_registrar.h"
 #include "googleurl/src/gurl.h"
 
 class NavigationEntry;
 class WebContents;
 
 // This class is a base class for interstitial pages, pages that show some
 // informative message asking for user validation before reaching the target
 // page. (Navigating to a page served over bad HTTPS or a page containing
@@ skipping 151 matching lines @@
   // We keep a map of the various blocking pages shown as the UI tests need to
   // be able to retrieve them.
   typedef std::map<WebContents*,InterstitialPage*> InterstitialPageMap;
   static InterstitialPageMap* tab_to_interstitial_page_;
 
   DISALLOW_COPY_AND_ASSIGN(InterstitialPage);
 };
 
 #endif  // #ifndef CHROME_BROWSER_TAB_CONTENTS_INTERSTITIAL_PAGE_H_