Worker: Remove WorkerLoaderProxy for clean-up

third_party/WebKit/Source/core/workers/WorkerLoaderProxy.h

Index: third_party/WebKit/Source/core/workers/WorkerLoaderProxy.h
diff --git a/third_party/WebKit/Source/core/workers/WorkerLoaderProxy.h b/third_party/WebKit/Source/core/workers/WorkerLoaderProxy.h
deleted file mode 100644
index d82caf78de9d462407652daf4489fde0d822839c..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/core/workers/WorkerLoaderProxy.h
+++ /dev/null
@@ -1,96 +0,0 @@
-/*
- * Copyright (C) 2009 Google Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef WorkerLoaderProxy_h
-#define WorkerLoaderProxy_h
-
-#include "core/CoreExport.h"
-#include "platform/wtf/Forward.h"
-#include "platform/wtf/Functional.h"
-#include "platform/wtf/PassRefPtr.h"
-#include "platform/wtf/ThreadSafeRefCounted.h"
-#include "public/platform/WebTraceLocation.h"
-
-namespace blink {
-
-class ThreadableLoadingContext;
-
-// The abstract interface to provider ThreadableLoadingContext; separated from
-// the thread-safe & ref-counted WorkerLoaderProxy object which keeps a
-// protected reference to the provider object. This to support non-overlapping
-// lifetimes, the provider may be destructed before all references to the
-// WorkerLoaderProxy object have been dropped.
-//
-// A provider implementation must detach itself when finalizing by calling
-// WorkerLoaderProxy::detachProvider(). This stops the WorkerLoaderProxy from
-// accessing the now-dead object, but it will remain alive while ref-ptrs are
-// still kept to it.
-//
-// TODO(nhiroki): Clean up or remove this class (https://crbug.com/694914).
-class CORE_EXPORT WorkerLoaderProxyProvider {
- public:
-  virtual ~WorkerLoaderProxyProvider() {}
-
-  // It is guaranteed that this gets accessed only on the thread where
-  // the loading context is bound.
-  virtual ThreadableLoadingContext* GetThreadableLoadingContext() {
-    return nullptr;
-  }
-};
-
-class CORE_EXPORT WorkerLoaderProxy final
-    : public ThreadSafeRefCounted<WorkerLoaderProxy> {
- public:
-  static PassRefPtr<WorkerLoaderProxy> Create(
-      WorkerLoaderProxyProvider* loader_proxy_provider) {
-    return AdoptRef(new WorkerLoaderProxy(loader_proxy_provider));
-  }
-
-  ~WorkerLoaderProxy();
-
-  // This may return nullptr.
-  // This must be called from the main thread (== the thread of the
-  // loading context).
-  ThreadableLoadingContext* GetThreadableLoadingContext();
-
-  // Notification from the provider that it can no longer be accessed. An
-  // implementation of WorkerLoaderProxyProvider is required to call
-  // detachProvider() when finalizing. This must be called from the main thread.
-  void DetachProvider(WorkerLoaderProxyProvider*);
-
- private:
-  explicit WorkerLoaderProxy(WorkerLoaderProxyProvider*);
-
-  WorkerLoaderProxyProvider* loader_proxy_provider_;
-};
-
-}  // namespace blink
-
-#endif  // WorkerLoaderProxy_h