Move DownloadControllerAndroid from content/ to chrome/

content/public/browser/android/download_controller_android.h

-// Copyright (c) 2012 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_DOWNLOAD_CONTROLLER_ANDROID_H_
-#define CONTENT_PUBLIC_BROWSER_ANDROID_DOWNLOAD_CONTROLLER_ANDROID_H_
-
-#include "base/callback.h"
-#include "content/common/content_export.h"
-#include "content/public/browser/download_item.h"
-#include "content/public/common/context_menu_params.h"
-
-namespace content {
-class DownloadItem;
-class WebContents;
-
-// Interface to request GET downloads and send notifications for POST
-// downloads.
-class CONTENT_EXPORT DownloadControllerAndroid : public DownloadItem::Observer {
- public:
-  // Returns the singleton instance of the DownloadControllerAndroid.
-  static DownloadControllerAndroid* Get();
-
-  // Called to set the DownloadControllerAndroid instance.
-  static void SetDownloadControllerAndroid(
-      DownloadControllerAndroid* download_controller);
-
-  // Starts a new download request with Android. Should be called on the
-  // UI thread.
-  virtual void CreateGETDownload(int render_process_id, int render_view_id,
-                                 int request_id, bool must_download) = 0;
-
-  // Should be called when a download is started. It can be either a GET
-  // request with authentication or a POST request. Notifies the embedding
-  // app about the download. Should be called on the UI thread.
-  virtual void OnDownloadStarted(DownloadItem* download_item) = 0;
-
-  // Called when a download is initiated by context menu.
-  virtual void StartContextMenuDownload(
-      const ContextMenuParams& params, WebContents* web_contents,
-      bool is_link, const std::string& extra_headers) = 0;
-
-  // Called when a dangerous download item is verified or rejected.
-  virtual void DangerousDownloadValidated(WebContents* web_contents,
-                                          const std::string& download_guid,
-                                          bool accept) = 0;
-
-  // Callback when user permission prompt finishes. Args: whether file access
-  // permission is acquired.
-  typedef base::Callback<void(bool)> AcquireFileAccessPermissionCallback;
-
-  // Called to prompt the user for file access permission. When finished,
-  // |callback| will be executed.
-  virtual void AcquireFileAccessPermission(
-      WebContents* web_contents,
-      const AcquireFileAccessPermissionCallback& callback) = 0;
-
-  // Called by unit test to approve or disapprove file access request.
-  virtual void SetApproveFileAccessRequestForTesting(bool approve) {};
-
-  // Called to set the default download file name if it cannot be resolved
-  // from url and content disposition
-  virtual void SetDefaultDownloadFileName(const std::string& file_name) {}
-
- protected:
-  ~DownloadControllerAndroid() override {};
-  static DownloadControllerAndroid* download_controller_;
-};
-
-}  // namespace content
-
-#endif  // CONTENT_PUBLIC_BROWSER_ANDROID_DOWNLOAD_CONTROLLER_ANDROID_H_