Move all ProvisionFetcher classes out of android/ subdirectories.

content/browser/media/android/provision_fetcher_impl.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 CONTENT_BROWSER_MEDIA_ANDROID_PROVISION_FETCHER_IMPL_H_
-#define CONTENT_BROWSER_MEDIA_ANDROID_PROVISION_FETCHER_IMPL_H_
-
-#include <memory>
-
-#include "base/macros.h"
-#include "base/memory/weak_ptr.h"
-#include "content/public/browser/android/provision_fetcher_factory.h"
-#include "media/base/android/provision_fetcher.h"
-#include "media/mojo/interfaces/provision_fetcher.mojom.h"
-
-namespace content {
-
-class RenderFrameHost;
-
-// A media::mojom::ProvisionFetcher implementation based on
-// media::ProvisionFetcher.
-class ProvisionFetcherImpl : public media::mojom::ProvisionFetcher {
- public:
-  static void Create(RenderFrameHost* render_frame_host,
-                     media::mojom::ProvisionFetcherRequest request);
-
-  explicit ProvisionFetcherImpl(
-      std::unique_ptr<media::ProvisionFetcher> provision_fetcher);
-  ~ProvisionFetcherImpl() override;
-
-  // media::mojom::ProvisionFetcher implementation.
-  void Retrieve(const std::string& default_url,
-                const std::string& request_data,
-                const RetrieveCallback& callback) final;
-
- private:
-  // Callback for media::ProvisionFetcher::Retrieve().
-  void OnResponse(const RetrieveCallback& callback,
-                  bool success,
-                  const std::string& response);
-
-  std::unique_ptr<media::ProvisionFetcher> provision_fetcher_;
-
-  base::WeakPtrFactory<ProvisionFetcherImpl> weak_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(ProvisionFetcherImpl);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_MEDIA_ANDROID_PROVISION_FETCHER_IMPL_H_