Remove Fetch[Blob|FormData]ConsumerHandle

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

-// Copyright 2015 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 CompositeDataConsumerHandle_h
-#define CompositeDataConsumerHandle_h
-
-#include "modules/ModulesExport.h"
-#include "platform/heap/Handle.h"
-#include "public/platform/WebDataConsumerHandle.h"
-#include "wtf/Allocator.h"
-#include "wtf/PtrUtil.h"
-#include "wtf/RefPtr.h"
-#include <memory>
-
-namespace blink {
-
-class WebThread;
-
-// This is a utility class to construct a composite data consumer handle. It
-// owns a web data consumer handle and delegates methods. A user can update
-// the handle by using |update| method.
-class MODULES_EXPORT CompositeDataConsumerHandle final : public WebDataConsumerHandle {
-    WTF_MAKE_NONCOPYABLE(CompositeDataConsumerHandle);
-    USING_FAST_MALLOC(CompositeDataConsumerHandle);
-    class Context;
-public:
-    // An Updater is bound to the creator thread.
-    class MODULES_EXPORT Updater final : public GarbageCollectedFinalized<Updater> {
-    public:
-        explicit Updater(PassRefPtr<Context>);
-        ~Updater();
-
-        // |handle| must not be null and must not be locked.
-        void update(std::unique_ptr<WebDataConsumerHandle> /* handle */);
-        DEFINE_INLINE_TRACE() { }
-
-    private:
-        RefPtr<Context> m_context;
-#if DCHECK_IS_ON()
-        WebThread* const m_thread;
-#endif
-    };
-
-    // Returns a handle and stores the associated updater to |*updater|. The
-    // associated updater will be bound to the calling thread.
-    // |handle| must not be null and must not be locked.
-    template<typename T>
-    static std::unique_ptr<WebDataConsumerHandle> create(std::unique_ptr<WebDataConsumerHandle> handle, T* updater)
-    {
-        DCHECK(handle);
-        Updater* u = nullptr;
-        std::unique_ptr<CompositeDataConsumerHandle> p = wrapUnique(new CompositeDataConsumerHandle(std::move(handle), &u));
-        *updater = u;
-        return std::move(p);
-    }
-    ~CompositeDataConsumerHandle() override;
-
-    std::unique_ptr<Reader> obtainReader(Client*) override;
-
-private:
-    class ReaderImpl;
-
-    const char* debugName() const override { return "CompositeDataConsumerHandle"; }
-
-    CompositeDataConsumerHandle(std::unique_ptr<WebDataConsumerHandle>, Updater**);
-
-    RefPtr<Context> m_context;
-};
-
-} // namespace blink
-
-#endif // CompositeDataConsumerHandle_h