[Fetch] Cleanup unused methods

Source/modules/fetch/Body.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 Body_h
 #define Body_h
 
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "bindings/core/v8/ScriptWrappable.h"
@@ skipping 63 matching lines @@
     // Sets |m_stream| to a newly created stream from |buffer|.
     // |buffer| can be null.
     // This is called when the underlying buffer is set/modified.
     // TODO(hiroshige): Merge FetchRequest/ResponseData::buffer() and
     // integrate Body::setBody(), Request/Response::refreshBody(),
     // FetchRequestData::setBuffer() and
     // FetchResponseData::replaceBodyStreamBuffer().
     void setBody(BodyStreamBuffer* /* buffer */);
 
 private:
-    void pullSource();
-    void readAllFromStream();
     ScriptPromise readAsync(ScriptState*, ResponseType);
     void resolveWithEmptyDataSynchronously();
     void readAsyncFromDrainingBodyStreamBuffer(PassOwnPtr<DrainingBodyStreamBuffer>, const String& mimeType);
     void resolveJSON(const String&);
 
     void didFetchDataLoadFinishedFromDrainingStream();
 
     // FetchDataLoader::Client functions.
     void didFetchDataLoadFailed() override;
     void didFetchDataLoadedBlobHandle(PassRefPtr<BlobDataHandle>) override;
     void didFetchDataLoadedArrayBuffer(PassRefPtr<DOMArrayBuffer>) override;
     void didFetchDataLoadedString(const String&) override;
 
     virtual String mimeType() const = 0;
 
     bool m_bodyUsed;
     ResponseType m_responseType;
     RefPtrWillBeMember<ScriptPromiseResolver> m_resolver;
     Member<ReadableStreamSource> m_streamSource;
     Member<ReadableByteStream> m_stream;
 };
 
 } // namespace blink
 
 #endif // Body_h