Move all ProvisionFetcher classes out of android/ subdirectories.

content/public/browser/android/provision_fetcher_factory.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_PUBLIC_BROWSER_ANDROID_PROVISION_FETCHER_FACTORY_H
-#define CONTENT_PUBLIC_BROWSER_ANDROID_PROVISION_FETCHER_FACTORY_H
-
-#include <memory>
-
-#include "content/common/content_export.h"
-
-namespace media {
-class ProvisionFetcher;
-}
-
-namespace net {
-class URLRequestContextGetter;
-}
-
-namespace content {
-
-// Factory method for media::ProvisionFetcher objects.
-
-CONTENT_EXPORT
-std::unique_ptr<media::ProvisionFetcher> CreateProvisionFetcher(
-    net::URLRequestContextGetter* context_getter);
-
-}  // namespace content
-
-#endif  // CONTENT_PUBLIC_BROWSER_ANDROID_PROVISION_FETCHER_FACTORY_H