Remove BytesConsumer::read

third_party/WebKit/Source/modules/fetch/BytesConsumer.cpp

 // Copyright 2016 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.
 
 #include "modules/fetch/BytesConsumer.h"
 
 #include "core/dom/ExecutionContext.h"
 #include "core/dom/TaskRunnerHelper.h"
 #include "modules/fetch/BytesConsumerForDataConsumerHandle.h"
 #include "modules/fetch/FetchBlobDataConsumerHandle.h"
@@ skipping 295 matching lines @@
         m_destination2->notify();
     }
 
     Member<BytesConsumer> m_src;
     Member<Destination> m_destination1;
     Member<Destination> m_destination2;
 };
 
 } // namespace
 
-BytesConsumer::Result BytesConsumer::read(char* buffer, size_t size, size_t* readSize)
-{
-    *readSize = 0;
-    const char* src = nullptr;
-    size_t available;
-    Result r = beginRead(&src, &available);
-    if (r != Result::Ok)
-        return r;
-    *readSize = std::min(available, size);
-    memcpy(buffer, src, *readSize);
-    auto result = endRead(*readSize);
-    if (result != BytesConsumer::Result::Ok)
-        *readSize = 0;
-    return result;
-}
-
 void BytesConsumer::tee(ExecutionContext* executionContext, BytesConsumer* src, BytesConsumer** dest1, BytesConsumer** dest2)
 {
     RefPtr<BlobDataHandle> blobDataHandle = src->drainAsBlobDataHandle(BlobSizePolicy::AllowBlobWithInvalidSize);
     if (blobDataHandle) {
         // Register a client in order to be consistent.
         src->setClient(new NoopClient);
         // TODO(yhirano): Do not use FetchBlobDataConsumerHandle.
         *dest1 = new BytesConsumerForDataConsumerHandle(executionContext, FetchBlobDataConsumerHandle::create(executionContext, blobDataHandle));
         *dest2 = new BytesConsumerForDataConsumerHandle(executionContext, FetchBlobDataConsumerHandle::create(executionContext, blobDataHandle));
         return;
     }
 
     Tee* tee = new Tee(executionContext, src);
     *dest1 = tee->destination1();
     *dest2 = tee->destination2();
 }
 
 } // namespace blink