Remove internals.setEnableMockPagePopup().

Source/web/WebViewImpl.cpp

 /*
  * Copyright (C) 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 1574 matching lines @@
 {
     ASSERT(popup);
     WebPagePopupImpl* popupImpl = toWebPagePopupImpl(popup);
     ASSERT(m_pagePopup.get() == popupImpl);
     if (m_pagePopup.get() != popupImpl)
         return;
     m_pagePopup->closePopup();
     m_pagePopup = nullptr;
 }
 
-LocalDOMWindow* WebViewImpl::pagePopupWindow()
+LocalDOMWindow* WebViewImpl::pagePopupWindow() const
 {
     return m_pagePopup ? m_pagePopup->window() : nullptr;
 }
 
 Frame* WebViewImpl::focusedCoreFrame() const
 {
     return m_page ? m_page->focusController().focusedOrMainFrame() : 0;
 }
 
 WebViewImpl* WebViewImpl::fromPage(Page* page)
@@ skipping 2945 matching lines @@
     return mainFrameImpl()->frameView()->layoutSize().width() == m_size.width
         || (constraints.minimumScale == constraints.maximumScale && constraints.minimumScale != -1);
 }
 
 void WebViewImpl::forceNextWebGLContextCreationToFail()
 {
     WebGLRenderingContext::forceNextWebGLContextCreationToFail();
 }
 
 } // namespace blink