Do not check for browser side navigation when loading a data url

Source/web/WebLocalFrameImpl.cpp

 /*
  * Copyright (C) 2009 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 893 matching lines @@
     // If we are loading substitute data to replace an existing load, then
     // inherit all of the properties of that original request. This way,
     // reload will re-attempt the original request. It is essential that
     // we only do this when there is an unreachableURL since a non-empty
     // unreachableURL informs FrameLoader::reload to load unreachableURL
     // instead of the currently loaded URL.
     ResourceRequest request;
     if (replace && !unreachableURL.isEmpty() && frame()->loader().provisionalDocumentLoader())
         request = frame()->loader().provisionalDocumentLoader()->originalRequest();
     request.setURL(baseURL);
+    request.setCheckForBrowserSideNavigation(false);
 
     FrameLoadRequest frameRequest(0, request, SubstituteData(data, mimeType, textEncoding, unreachableURL));
     ASSERT(frameRequest.substituteData().isValid());
     frameRequest.setLockBackForwardList(replace);
     frame()->loader().load(frameRequest);
 }
 
 void WebLocalFrameImpl::loadHTMLString(const WebData& data, const WebURL& baseURL, const WebURL& unreachableURL, bool replace)
 {
     ASSERT(frame());
@@ skipping 1079 matching lines @@
 {
     m_frameWidget = frameWidget;
 }
 
 WebFrameWidgetImpl* WebLocalFrameImpl::frameWidget() const
 {
     return m_frameWidget;
 }
 
 } // namespace blink