[Loader] Make ThreadableLoader non-RefCounted and be managed by OwnPtr

third_party/WebKit/Source/modules/fetch/FetchManager.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/FetchManager.h"
 
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "bindings/core/v8/ScriptState.h"
 #include "bindings/core/v8/V8ThrowException.h"
@@ skipping 21 matching lines @@
 #include "modules/fetch/ResponseInit.h"
 #include "platform/HTTPNames.h"
 #include "platform/network/ResourceError.h"
 #include "platform/network/ResourceRequest.h"
 #include "platform/network/ResourceResponse.h"
 #include "platform/weborigin/SchemeRegistry.h"
 #include "platform/weborigin/SecurityOrigin.h"
 #include "platform/weborigin/SecurityPolicy.h"
 #include "public/platform/WebURLRequest.h"
 #include "wtf/HashSet.h"
+#include "wtf/OwnPtr.h"
 #include "wtf/Vector.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 
 namespace {
 
 bool IsRedirectStatusCode(int statusCode)
 {
     return (statusCode == 301 || statusCode == 302 || statusCode == 303 || statusCode == 307 || statusCode == 308);
@@ skipping 108 matching lines @@
     void performHTTPFetch(bool corsFlag, bool corsPreflightFlag);
     void performDataFetch();
     void failed(const String& message);
     void notifyFinished();
     Document* document() const;
     void loadSucceeded();
 
     Member<FetchManager> m_fetchManager;
     Member<ScriptPromiseResolver> m_resolver;
     Member<FetchRequestData> m_request;
-    RefPtr<ThreadableLoader> m_loader;
+    OwnPtr<ThreadableLoader> m_loader;
     bool m_failed;
     bool m_finished;
     int m_responseHttpStatusCode;
     Member<SRIVerifier> m_integrityVerifier;
     bool m_didFinishLoading;
     bool m_isIsolatedWorld;
     RawPtrWillBeMember<ExecutionContext> m_executionContext;
 };
 
 FetchManager::Loader::Loader(ExecutionContext* executionContext, FetchManager* fetchManager, ScriptPromiseResolver* resolver, FetchRequestData* request, bool isIsolatedWorld)
@@ skipping 540 matching lines @@
     loader->dispose();
 }
 
 DEFINE_TRACE(FetchManager)
 {
     visitor->trace(m_loaders);
     ContextLifecycleObserver::trace(visitor);
 }
 
 } // namespace blink