Move DownloadControllerAndroid from content/ to chrome/

chrome/browser/android/download/mock_download_controller_android.h

-// Copyright (c) 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 CHROME_BROWSER_ANDROID_DOWNLOAD_MOCK_DOWNLOAD_CONTROLLER_ANDROID_H_
-#define CHROME_BROWSER_ANDROID_DOWNLOAD_MOCK_DOWNLOAD_CONTROLLER_ANDROID_H_
-
-#include "base/callback.h"
-#include "base/macros.h"
-#include "base/memory/singleton.h"
-#include "content/public/browser/android/download_controller_android.h"
-
-namespace content {
-class DownloadItem;
-class WebContents;
-}  // namespace content
-
-namespace chrome {
-namespace android {
-
-// Mock implementation of the DownloadControllerAndroid.
-class MockDownloadControllerAndroid
-    : public content::DownloadControllerAndroid {
- public:
-  MockDownloadControllerAndroid();
-  ~MockDownloadControllerAndroid() override;
-
-  // DownloadControllerAndroid implementation.
-  void CreateGETDownload(int render_process_id, int render_view_id,
-                         int request_id, bool mustDownload) override;
-  void OnDownloadStarted(content::DownloadItem* download_item) override;
-  void StartContextMenuDownload(
-      const content::ContextMenuParams& params,
-      content::WebContents* web_contents,
-      bool is_link, const std::string& extra_headers) override;
-  void DangerousDownloadValidated(content::WebContents* web_contents,
-                                  const std::string& download_guid,
-                                  bool accept) override;
-  void AcquireFileAccessPermission(
-      content::WebContents* web_contents,
-      const AcquireFileAccessPermissionCallback& callback) override;
-  void SetApproveFileAccessRequestForTesting(bool approve) override;
-
- private:
-  bool approve_file_access_request_;
-  DISALLOW_COPY_AND_ASSIGN(MockDownloadControllerAndroid);
-};
-
-}  // namespace android
-}  // namespace chrome
-
-
-#endif  // CHROME_BROWSER_ANDROID_DOWNLOAD_MOCK_DOWNLOAD_CONTROLLER_ANDROID_H_