Move WebMediaPlayerImpl and its dependencies to media/blink.

content/renderer/media/active_loader.h

-// Copyright 2013 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 CONTENT_RENDERER_MEDIA_ACTIVE_LOADER_H_
-#define CONTENT_RENDERER_MEDIA_ACTIVE_LOADER_H_
-
-#include "base/basictypes.h"
-#include "base/memory/scoped_ptr.h"
-
-namespace blink {
-class WebURLLoader;
-}
-
-namespace content {
-
-// Wraps an active WebURLLoader with some additional state.
-//
-// Handles deferring and deletion of loaders.
-class ActiveLoader {
- public:
-  // Creates an ActiveLoader with the given loader. It is assumed that the
-  // initial state of |loader| is loading and not deferred.
-  explicit ActiveLoader(scoped_ptr<blink::WebURLLoader> loader);
-  ~ActiveLoader();
-
-  // Starts or stops deferring the resource load.
-  void SetDeferred(bool deferred);
-  bool deferred() { return deferred_; }
-
- private:
-  friend class BufferedDataSourceTest;
-
-  scoped_ptr<blink::WebURLLoader> loader_;
-  bool deferred_;
-
-  DISALLOW_IMPLICIT_CONSTRUCTORS(ActiveLoader);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_RENDERER_MEDIA_ACTIVE_LOADER_H_