[FeaturePolicy] Initial implementation of Feature Policy

third_party/WebKit/Source/core/loader/FrameLoader.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights
  * reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved.
  * (http://www.torchmobile.com/)
  * Copyright (C) 2008 Alp Toker <alp@atoker.com>
  * Copyright (C) Research In Motion Limited 2009. All rights reserved.
  * Copyright (C) 2011 Kris Jordan <krisjordan@gmail.com>
  * Copyright (C) 2011 Google Inc. All rights reserved.
@@ skipping 69 matching lines @@
 #include "core/page/FrameTree.h"
 #include "core/page/Page.h"
 #include "core/page/WindowFeatures.h"
 #include "core/page/scrolling/ScrollingCoordinator.h"
 #include "core/svg/graphics/SVGImage.h"
 #include "core/xml/parser/XMLDocumentParser.h"
 #include "platform/InstanceCounters.h"
 #include "platform/PluginScriptForbiddenScope.h"
 #include "platform/ScriptForbiddenScope.h"
 #include "platform/UserGestureIndicator.h"
+#include "platform/feature_policy/FeaturePolicy.h"
 #include "platform/network/HTTPParsers.h"
 #include "platform/network/ResourceRequest.h"
 #include "platform/scroll/ScrollAnimatorBase.h"
 #include "platform/tracing/TraceEvent.h"
 #include "platform/weborigin/SecurityOrigin.h"
 #include "platform/weborigin/SecurityPolicy.h"
 #include "platform/weborigin/Suborigin.h"
 #include "public/platform/WebCachePolicy.h"
 #include "public/platform/WebURLRequest.h"
 #include "wtf/AutoReset.h"
@@ skipping 474 matching lines @@
           headerContentLanguage.stripWhiteSpace(isHTMLSpace<UChar>);
       if (!headerContentLanguage.isEmpty()) {
         m_frame->document()->setContentLanguage(
             AtomicString(headerContentLanguage));
       }
     }
 
     OriginTrialContext::addTokensFromHeader(
         m_frame->document(),
         m_documentLoader->response().httpHeaderField(HTTPNames::Origin_Trial));
+    if (RuntimeEnabledFeatures::featurePolicyEnabled()) {
+      std::unique_ptr<FeaturePolicy> featurePolicy(
+          FeaturePolicy::createFromParentPolicy(
+              (isLoadingMainFrame()
+                   ? nullptr
+                   : m_frame->client()->parent()->getFeaturePolicy()),
+              m_frame->securityContext()->getSecurityOrigin()));
+      Vector<String> messages;
+      featurePolicy->setHeaderPolicy(
+          m_documentLoader->response().httpHeaderField(
+              HTTPNames::Feature_Policy),
+          messages);
+      for (auto& message : messages) {
+        m_frame->document()->addConsoleMessage(ConsoleMessage::create(
+            OtherMessageSource, ErrorMessageLevel,
+            "Error with Feature-Policy header: " + message));
+      }
+      m_frame->setFeaturePolicy(std::move(featurePolicy));
+    }
   }
 
   if (m_documentLoader) {
     String referrerPolicyHeader = m_documentLoader->response().httpHeaderField(
         HTTPNames::Referrer_Policy);
     if (!referrerPolicyHeader.isNull()) {
       m_frame->document()->parseAndSetReferrerPolicy(referrerPolicyHeader);
     }
   }
 
@@ skipping 1344 matching lines @@
                          m_documentLoader ? m_documentLoader->url() : String());
   return tracedValue;
 }
 
 inline void FrameLoader::takeObjectSnapshot() const {
   TRACE_EVENT_OBJECT_SNAPSHOT_WITH_ID("loading", "FrameLoader", this,
                                       toTracedValue());
 }
 
 }  // namespace blink