Revert "Remove OwnPtr from Blink."

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

 // 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.
 
 #include "modules/fetch/Body.h"
 
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "bindings/core/v8/ScriptState.h"
 #include "bindings/core/v8/V8ArrayBuffer.h"
 #include "bindings/core/v8/V8ThrowException.h"
 #include "core/dom/DOMArrayBuffer.h"
 #include "core/dom/DOMTypedArray.h"
 #include "core/fileapi/Blob.h"
 #include "core/frame/UseCounter.h"
 #include "modules/fetch/BodyStreamBuffer.h"
 #include "modules/fetch/FetchDataLoader.h"
 #include "public/platform/WebDataConsumerHandle.h"
+#include "wtf/OwnPtr.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefPtr.h"
-#include <memory>
 
 namespace blink {
 
 namespace {
 
 class BodyConsumerBase : public GarbageCollectedFinalized<BodyConsumerBase>, public FetchDataLoader::Client {
     WTF_MAKE_NONCOPYABLE(BodyConsumerBase);
     USING_GARBAGE_COLLECTED_MIXIN(BodyConsumerBase);
 public:
     explicit BodyConsumerBase(ScriptPromiseResolver* resolver) : m_resolver(resolver) {}
@@ skipping 103 matching lines @@
 
     // See above comment.
     if (!scriptState->getExecutionContext())
         return ScriptPromise();
 
     ScriptPromiseResolver* resolver = ScriptPromiseResolver::create(scriptState);
     promise = resolver->promise();
     if (bodyBuffer()) {
         bodyBuffer()->startLoading(FetchDataLoader::createLoaderAsBlobHandle(mimeType()), new BodyBlobConsumer(resolver));
     } else {
-        std::unique_ptr<BlobData> blobData = BlobData::create();
+        OwnPtr<BlobData> blobData = BlobData::create();
         blobData->setContentType(mimeType());
         resolver->resolve(Blob::create(BlobDataHandle::create(std::move(blobData), 0)));
     }
     return promise;
 
 }
 
 ScriptPromise Body::json(ScriptState* scriptState)
 {
     ScriptPromise promise = rejectInvalidConsumption(scriptState);
@@ skipping 66 matching lines @@
 Body::Body(ExecutionContext* context) : ActiveScriptWrappable(this) , ContextLifecycleObserver(context) {}
 
 ScriptPromise Body::rejectInvalidConsumption(ScriptState* scriptState)
 {
     if (isBodyLocked() || bodyUsed())
         return ScriptPromise::reject(scriptState, V8ThrowException::createTypeError(scriptState->isolate(), "Already read"));
     return ScriptPromise();
 }
 
 } // namespace blink