Make Response::body return v8-extra based stream behind flag

third_party/WebKit/Source/modules/fetch/Request.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef Request_h
 #define Request_h
 
 #include "bindings/core/v8/Dictionary.h"
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "bindings/modules/v8/UnionTypesModules.h"
@@ skipping 22 matching lines @@
 public:
     ~Request() override {}
 
     // From Request.idl:
     static Request* create(ScriptState*, const RequestInfo&, const Dictionary&, ExceptionState&);
 
     static Request* create(ScriptState*, const String&, ExceptionState&);
     static Request* create(ScriptState*, const String&, const Dictionary&, ExceptionState&);
     static Request* create(ScriptState*, Request*, ExceptionState&);
     static Request* create(ScriptState*, Request*, const Dictionary&, ExceptionState&);
-    static Request* create(ExecutionContext*, FetchRequestData*);
-    static Request* create(ExecutionContext*, const WebServiceWorkerRequest&);
+    static Request* create(ScriptState*, FetchRequestData*);
+    static Request* create(ScriptState*, const WebServiceWorkerRequest&);
 
     // From Request.idl:
     String method() const;
     KURL url() const;
     Headers* getHeaders() const { return m_headers; }
     String context() const;
     String referrer() const;
     String mode() const;
     String credentials() const;
     String redirect() const;
     String integrity() const;
 
     // From Request.idl:
-    Request* clone(ExceptionState&);
+    Request* clone(ScriptState*, ExceptionState&);
 
-    FetchRequestData* passRequestData();
+    FetchRequestData* passRequestData(ScriptState*);
     void populateWebServiceWorkerRequest(WebServiceWorkerRequest&) const;
     bool hasBody() const;
     BodyStreamBuffer* bodyBuffer() override { return m_request->buffer(); }
     const BodyStreamBuffer* bodyBuffer() const override { return m_request->buffer(); }
     PassRefPtr<EncodedFormData> attachedCredential() const { return m_request->attachedCredential(); }
 
     void stop() override;
 
     DECLARE_VIRTUAL_TRACE();
 
 private:
-    Request(ExecutionContext*, FetchRequestData*);
-    Request(ExecutionContext*, const WebServiceWorkerRequest&);
-    Request(ExecutionContext*, FetchRequestData*, Headers*);
+    Request(ScriptState*, FetchRequestData*, Headers*);
+    Request(ScriptState*, FetchRequestData*);
+    Request(ScriptState*, const WebServiceWorkerRequest&);
 
     const FetchRequestData* request() const { return m_request; }
     static Request* createRequestWithRequestOrString(ScriptState*, Request*, const String&, RequestInit&, ExceptionState&);
 
     String mimeType() const override;
 
     const Member<FetchRequestData> m_request;
     const Member<Headers> m_headers;
 };
 
 } // namespace blink
 
 #endif // Request_h