[Streams] Add "useStreamOnResponse" on WebURLRequest.

Source/platform/network/ResourceRequest.h

 /*
  * Copyright (C) 2003, 2006 Apple Computer, Inc.  All rights reserved.
  * Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
  * Copyright (C) 2009, 2012 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
@@ skipping 153 matching lines @@
     void setAppCacheHostID(int id) { m_appCacheHostID = id; }
 
     // True if request was user initiated.
     bool hasUserGesture() const { return m_hasUserGesture; }
     void setHasUserGesture(bool hasUserGesture) { m_hasUserGesture = hasUserGesture; }
 
     // True if request should be downloaded to file.
     bool downloadToFile() const { return m_downloadToFile; }
     void setDownloadToFile(bool downloadToFile) { m_downloadToFile = downloadToFile; }
 
+    // True if the requestor wants to receive a response body as
+    // WebDataConsumerHandle.
+    bool useStreamOnResponse() const { return m_useStreamOnResponse; }
+    void setUseStreamOnResponse(bool useStreamOnResponse) { m_useStreamOnResponse = useStreamOnResponse; }
+
     // True if the request should not be handled by the ServiceWorker.
     bool skipServiceWorker() const { return m_skipServiceWorker; }
     void setSkipServiceWorker(bool skipServiceWorker) { m_skipServiceWorker = skipServiceWorker; }
 
     // Extra data associated with this request.
     ExtraData* extraData() const { return m_extraData.get(); }
     void setExtraData(PassRefPtr<ExtraData> extraData) { m_extraData = extraData; }
 
     WebURLRequest::RequestContext requestContext() const { return m_requestContext; }
     void setRequestContext(WebURLRequest::RequestContext context) { m_requestContext = context; }
@@ skipping 26 matching lines @@
     double m_timeoutInterval; // 0 is a magic value for platform default on platforms that have one.
     KURL m_firstPartyForCookies;
     AtomicString m_httpMethod;
     HTTPHeaderMap m_httpHeaderFields;
     RefPtr<FormData> m_httpBody;
     bool m_allowStoredCredentials : 1;
     bool m_reportUploadProgress : 1;
     bool m_reportRawHeaders : 1;
     bool m_hasUserGesture : 1;
     bool m_downloadToFile : 1;
+    bool m_useStreamOnResponse : 1;
     bool m_skipServiceWorker : 1;
     ResourceLoadPriority m_priority;
     int m_intraPriorityValue;
     int m_requestorID;
     int m_requestorProcessID;
     int m_appCacheHostID;
     RefPtr<ExtraData> m_extraData;
     WebURLRequest::RequestContext m_requestContext;
     WebURLRequest::FrameType m_frameType;
     WebURLRequest::FetchRequestMode m_fetchRequestMode;
@@ skipping 21 matching lines @@
     KURL m_firstPartyForCookies;
 
     String m_httpMethod;
     OwnPtr<CrossThreadHTTPHeaderMapData> m_httpHeaders;
     RefPtr<FormData> m_httpBody;
     bool m_allowStoredCredentials;
     bool m_reportUploadProgress;
     bool m_hasUserGesture;
     bool m_downloadToFile;
     bool m_skipServiceWorker;
+    bool m_useStreamOnResponse;
     ResourceLoadPriority m_priority;
     int m_intraPriorityValue;
     int m_requestorID;
     int m_requestorProcessID;
     int m_appCacheHostID;
     WebURLRequest::RequestContext m_requestContext;
     WebURLRequest::FrameType m_frameType;
     WebURLRequest::FetchRequestMode m_fetchRequestMode;
     WebURLRequest::FetchCredentialsMode m_fetchCredentialsMode;
     ReferrerPolicy m_referrerPolicy;
 };
 
 unsigned initializeMaximumHTTPConnectionCountPerHost();
 
 } // namespace blink
 
 #endif // ResourceRequest_h