Move Feature Policy test to Frame

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 384 matching lines @@
   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();
 }
 
+bool Frame::isFeatureEnabled(WebFeaturePolicyFeature feature) const {
+  WebFeaturePolicy* featurePolicy = securityContext()->getFeaturePolicy();
+  // The policy should always be initialized before checking it to ensure we
+  // properly inherit the parent policy.
+  DCHECK(featurePolicy);
+
+  // Otherwise, check policy.
+  return featurePolicy->IsFeatureEnabled(feature);
+}
+
 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