[FeaturePolicy] Initial implementation of Feature Policy

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>
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
@@ skipping 30 matching lines @@
 #include "core/inspector/InstanceCounters.h"
 #include "core/layout/LayoutPart.h"
 #include "core/layout/api/LayoutPartItem.h"
 #include "core/loader/EmptyClients.h"
 #include "core/loader/FrameLoaderClient.h"
 #include "core/loader/NavigationScheduler.h"
 #include "core/page/FocusController.h"
 #include "core/page/Page.h"
 #include "platform/Histogram.h"
 #include "platform/UserGestureIndicator.h"
+#include "platform/feature_policy/FeaturePolicy.h"
 
 namespace blink {
 
 using namespace HTMLNames;
 
 Frame::~Frame()
 {
     InstanceCounters::decrementCounter(InstanceCounters::FrameCounter);
     ASSERT(!m_owner);
 }
 
 DEFINE_TRACE(Frame)
 {
     visitor->trace(m_treeNode);
     visitor->trace(m_host);
     visitor->trace(m_owner);
     visitor->trace(m_client);
+    visitor->trace(m_featurePolicy);
 }
 
 void Frame::detach(FrameDetachType type)
 {
     ASSERT(m_client);
     m_client->setOpener(0);
     domWindow()->resetLocation();
     disconnectOwnerElement();
     // After this, we must no longer talk to the client since this clears
     // its owning reference back to our owning LocalFrame.
@@ skipping 228 matching lines @@
     for (size_t i = 0; i < childFrames.size(); ++i)
         childFrames[i]->didChangeVisibilityState();
 }
 
 Frame::Frame(FrameClient* client, FrameHost* host, FrameOwner* owner)
     : m_treeNode(this)
     , m_host(host)
     , m_owner(owner)
     , m_client(client)
     , m_isLoading(false)
+    , m_featurePolicy(nullptr)
 {
     InstanceCounters::incrementCounter(InstanceCounters::FrameCounter);
 
     ASSERT(page());
 
     if (m_owner)
         m_owner->setContentFrame(*this);
     else
         page()->setMainFrame(this);
 }
 
 } // namespace blink