Reenable framebusting

third_party/WebKit/Source/core/frame/Frame.cpp

 /*
  * Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
  *                     1999 Lars Knoll <knoll@kde.org>
  *                     1999 Antti Koivisto <koivisto@kde.org>
  *                     2000 Simon Hausmann <hausmann@kde.org>
  *                     2000 Stefan Schimanski <1Stein@gmx.de>
  *                     2001 George Staikos <staikos@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All
  * rights reserved.
  * Copyright (C) 2005 Alexey Proskuryakov <ap@nypop.com>
@@ skipping 149 matching lines @@
 
   return false;
 }
 
 bool Frame::canNavigate(const Frame& targetFrame) {
   String errorReason;
   const bool isAllowedNavigation =
       canNavigateWithoutFramebusting(targetFrame, errorReason);
   const bool sandboxed = securityContext()->getSandboxFlags() != SandboxNone;
   const bool hasUserGesture =
-      isLocalFrame() ? toLocalFrame(this)->document()->hasReceivedUserGesture()
-                     : false;
+      isLocalFrame() ? toLocalFrame(this)->hasReceivedUserGesture() : false;
 
   // Top navigation in sandbox with or w/o 'allow-top-navigation'.
   if (targetFrame != this && sandboxed && targetFrame == tree().top()) {
     UseCounter::count(&targetFrame, UseCounter::TopNavInSandbox);
     if (!hasUserGesture) {
       UseCounter::count(&targetFrame,
                         UseCounter::TopNavInSandboxWithoutGesture);
     }
   }
 
@@ skipping 187 matching lines @@
 
 void Frame::didChangeVisibilityState() {
   HeapVector<Member<Frame>> childFrames;
   for (Frame* child = tree().firstChild(); child;
        child = child->tree().nextSibling())
     childFrames.push_back(child);
   for (size_t i = 0; i < childFrames.size(); ++i)
     childFrames[i]->didChangeVisibilityState();
 }
 
+void Frame::setDocumentHasReceivedUserGesture() {
+  m_hasReceivedUserGesture = true;
+  if (Frame* parent = tree().parent())
+    parent->setDocumentHasReceivedUserGesture();
+}
+
 Frame::Frame(FrameClient* client, FrameHost* host, FrameOwner* owner)
     : m_treeNode(this),
       m_host(host),
       m_owner(owner),
       m_client(client),
       m_isLoading(false) {
   InstanceCounters::incrementCounter(InstanceCounters::FrameCounter);
 
   ASSERT(page());
 
   if (m_owner)
     m_owner->setContentFrame(*this);
   else
     page()->setMainFrame(this);
 }
 
 }  // namespace blink