Implement NavigationThrottle::BLOCK_REQUEST_AND_COLLAPSE.

third_party/WebKit/Source/web/WebRemoteFrameImpl.cpp

 // Copyright 2014 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.
 
 #include "web/WebRemoteFrameImpl.h"
 
 #include "core/dom/Fullscreen.h"
 #include "core/dom/RemoteSecurityContext.h"
 #include "core/dom/SecurityContext.h"
 #include "core/frame/FrameView.h"
@@ skipping 118 matching lines @@
 bool WebRemoteFrameImpl::hasHorizontalScrollbar() const {
   NOTREACHED();
   return false;
 }
 
 bool WebRemoteFrameImpl::hasVerticalScrollbar() const {
   NOTREACHED();
   return false;
 }
 
+void WebRemoteFrameImpl::collapse(bool collapsed) {
+  DCHECK(frame()->owner()->isLocal());
+  frame()->owner()->setCollapsedByClient(collapsed);
+}
+
 WebView* WebRemoteFrameImpl::view() const {
   if (!frame())
     return nullptr;
   return WebViewImpl::fromPage(frame()->page());
 }
 
 WebDocument WebRemoteFrameImpl::document() const {
   // TODO(dcheng): this should also ASSERT_NOT_REACHED, but a lot of
   // code tries to access the document of a remote frame at the moment.
   return WebDocument();
@@ skipping 382 matching lines @@
 }
 
 WebRemoteFrameImpl::WebRemoteFrameImpl(WebTreeScopeType scope,
                                        WebRemoteFrameClient* client)
     : WebRemoteFrame(scope),
       m_frameClient(RemoteFrameClientImpl::create(this)),
       m_client(client),
       m_selfKeepAlive(this) {}
 
 }  // namespace blink