Implement NavigationThrottle::BLOCK_REQUEST_AND_COLLAPSE.

third_party/WebKit/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 612 matching lines @@
 }
 
 bool WebLocalFrameImpl::hasHorizontalScrollbar() const {
   return frame() && frame()->view() && frame()->view()->horizontalScrollbar();
 }
 
 bool WebLocalFrameImpl::hasVerticalScrollbar() const {
   return frame() && frame()->view() && frame()->view()->verticalScrollbar();
 }
 
+void WebLocalFrameImpl::collapse(bool collapsed) {
+  DCHECK(frame()->owner()->isLocal());
+  frame()->owner()->setCollapsedByClient(collapsed);
+}
+
 WebView* WebLocalFrameImpl::view() const {
   return viewImpl();
 }
 
 WebDocument WebLocalFrameImpl::document() const {
   if (!frame() || !frame()->document())
     return WebDocument();
   return WebDocument(frame()->document());
 }
 
@@ skipping 1788 matching lines @@
         createMarkup(startPosition, endPosition, AnnotateForInterchange,
                      ConvertBlocksToInlines::NotConvert, ResolveNonLocalURLs);
   } else {
     clipHtml =
         createMarkup(endPosition, startPosition, AnnotateForInterchange,
                      ConvertBlocksToInlines::NotConvert, ResolveNonLocalURLs);
   }
 }
 
 }  // namespace blink