drive/syncFS: Switch to ID based download URL.

chrome/browser/drive/drive_service_interface.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 CHROME_BROWSER_DRIVE_DRIVE_SERVICE_INTERFACE_H_
 #define CHROME_BROWSER_DRIVE_DRIVE_SERVICE_INTERFACE_H_
 
 #include <string>
 
 #include "chrome/browser/google_apis/base_requests.h"
@@ skipping 231 matching lines @@
   // Upon completion, invokes |callback| and passes newly created entry on
   // the calling thread.
   // This function cannot be named as "CreateDirectory" as it conflicts with
   // a macro on Windows.
   // |callback| must not be null.
   virtual google_apis::CancelCallback AddNewDirectory(
       const std::string& parent_resource_id,
       const std::string& directory_name,
       const google_apis::GetResourceEntryCallback& callback) = 0;
 
-  // Downloads a file from |download_url|. The downloaded file will
+  // Downloads a file with |resourced_id|. The downloaded file will
   // be stored at |local_cache_path| location. Upon completion, invokes
   // |download_action_callback| with results on the calling thread.
   // If |get_content_callback| is not empty,
   // URLFetcherDelegate::OnURLFetchDownloadData will be called, which will in
   // turn invoke |get_content_callback| on the calling thread.
   // If |progress_callback| is not empty, it is invoked periodically when
   // the download made some progress.
   //
   // |download_action_callback| must not be null.
   // |get_content_callback| and |progress_callback| may be null.
   virtual google_apis::CancelCallback DownloadFile(
       const base::FilePath& local_cache_path,
-      const GURL& download_url,
+      const std::string& resource_id,
       const google_apis::DownloadActionCallback& download_action_callback,
       const google_apis::GetContentCallback& get_content_callback,
       const google_apis::ProgressCallback& progress_callback) = 0;
 
   // Initiates uploading of a new document/file.
   // |content_type| and |content_length| should be the ones of the file to be
   // uploaded.
   // |callback| must not be null.
   virtual google_apis::CancelCallback InitiateUploadNewFile(
       const std::string& content_type,
@@ skipping 39 matching lines @@
   // the provided app. |callback| must not be null.
   virtual google_apis::CancelCallback AuthorizeApp(
       const std::string& resource_id,
       const std::string& app_id,
       const google_apis::AuthorizeAppCallback& callback) = 0;
 };
 
 }  // namespace drive
 
 #endif  // CHROME_BROWSER_DRIVE_DRIVE_SERVICE_INTERFACE_H_