Blocking synchronous and third party doc.written scripts

third_party/WebKit/Source/core/loader/FrameFetchContext.h

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 52 matching lines @@
         static_cast<FrameFetchContext&>(context).m_document = document;
     }
 
     ~FrameFetchContext();
 
     bool isLiveContext() { return true; }
 
     void addAdditionalRequestHeaders(ResourceRequest&, FetchResourceType) override;
     void setFirstPartyForCookies(ResourceRequest&) override;
     CachePolicy getCachePolicy() const override;
-    ResourceRequestCachePolicy resourceRequestCachePolicy(const ResourceRequest&, Resource::Type) const override;
+    ResourceRequestCachePolicy resourceRequestCachePolicy(const ResourceRequest&, Resource::Type, FetchRequest::DeferOption = FetchRequest::NoDefer) const override;

[jkarlin, 2016/04/06 14:55:31]

This is a virtual function so it shouldn't use default values.

[shivanisha, 2016/04/06 20:40:10]

Ah, I missed that even overrides of virtual function should not use default
arguments. 

     void dispatchDidChangeResourcePriority(unsigned long identifier, ResourceLoadPriority, int intraPriorityValue) override;
     void dispatchWillSendRequest(unsigned long identifier, ResourceRequest&, const ResourceResponse& redirectResponse, const FetchInitiatorInfo& = FetchInitiatorInfo()) override;
     void dispatchDidLoadResourceFromMemoryCache(const Resource*, WebURLRequest::FrameType, WebURLRequest::RequestContext) override;
     void dispatchDidReceiveResponse(unsigned long identifier, const ResourceResponse&, WebURLRequest::FrameType, WebURLRequest::RequestContext, ResourceLoader* = 0) override;
     void dispatchDidReceiveData(unsigned long identifier, const char* data, int dataLength, int encodedDataLength) override;
     void dispatchDidDownloadData(unsigned long identifier, int dataLength, int encodedDataLength)  override;
     void dispatchDidFinishLoading(unsigned long identifier, double finishTime, int64_t encodedDataLength) override;
     void dispatchDidFail(unsigned long identifier, const ResourceError&, bool isInternalRequest) override;
 
     bool shouldLoadNewResource(Resource::Type) const override;
@@ skipping 45 matching lines @@
     // See crbug.com/383860 for details.
     RawPtrWillBeWeakMember<Document> m_document;
     RawPtrWillBeMember<DocumentLoader> m_documentLoader;
 
     bool m_imageFetched : 1;
 };
 
 } // namespace blink
 
 #endif