drive/syncFS: Switch to ID based download URL.

chrome/browser/chromeos/drive/file_system/download_operation.cc

 // Copyright 2013 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.
 
 #include "chrome/browser/chromeos/drive/file_system/download_operation.h"
 
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/logging.h"
 #include "base/task_runner_util.h"
@@ skipping 454 matching lines @@
 
   if (error != FILE_ERROR_OK) {
     callback.OnError(error);
     return;
   }
 
   ResourceEntry* entry_ptr = params->entry.get();
   JobID id = scheduler_->DownloadFile(
       params->drive_file_path,
       params->temp_download_file_path,
-      params->download_url,
+      entry_ptr->resource_id(),
       params->context,
       base::Bind(&DownloadOperation::EnsureFileDownloadedAfterDownloadFile,
                  weak_ptr_factory_.GetWeakPtr(),
                  params->drive_file_path,
                  base::Passed(&params->entry),
                  callback),
       callback.get_content_callback());
 
   // Notify via |initialized_callback| if necessary.
   callback.OnStartDownloading(
@@ skipping 47 matching lines @@
   observer_->OnDirectoryChangedByOperation(file_path.DirName());
   callback.OnComplete(*cache_file_path, entry.Pass());
 }
 
 void DownloadOperation::CancelJob(JobID job_id) {
   scheduler_->CancelJob(job_id);
 }
 
 }  // namespace file_system
 }  // namespace drive