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 628 matching lines @@
 bool WebLocalFrameImpl::HasHorizontalScrollbar() const {
   return GetFrame() && GetFrame()->View() &&
          GetFrame()->View()->HorizontalScrollbar();
 }
 
 bool WebLocalFrameImpl::HasVerticalScrollbar() const {
   return GetFrame() && GetFrame()->View() &&
          GetFrame()->View()->VerticalScrollbar();
 }
 
+void WebLocalFrameImpl::Collapse(bool collapsed) {
+  DCHECK(GetFrame()->Owner()->IsLocal());
+  HTMLFrameOwnerElement* owner = ToHTMLFrameOwnerElement(GetFrame()->Owner());
+  owner->SetCollapsedByClient(collapsed);
+}
+
 WebView* WebLocalFrameImpl::View() const {
   return ViewImpl();
 }
 
 WebDocument WebLocalFrameImpl::GetDocument() const {
   if (!GetFrame() || !GetFrame()->GetDocument())
     return WebDocument();
   return WebDocument(GetFrame()->GetDocument());
 }
 
@@ skipping 1899 matching lines @@
 TextCheckerClient& WebLocalFrameImpl::GetTextCheckerClient() const {
   return *text_checker_client_;
 }
 
 void WebLocalFrameImpl::SetTextCheckClient(
     WebTextCheckClient* text_check_client) {
   text_check_client_ = text_check_client;
 }
 
 }  // namespace blink