gdata: Get rid of GetGDataCacheTmpDirectory() and friends

chrome/browser/chromeos/gdata/gdata_system_service.cc

 // 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.
 
 #include "chrome/browser/chromeos/gdata/gdata_system_service.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/download/download_service.h"
@@ skipping 26 matching lines @@
 
 void GDataSystemService::Initialize() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
   file_system_->Initialize();
 
   content::DownloadManager* download_manager =
     g_browser_process->download_status_updater() ?
         DownloadServiceFactory::GetForProfile(profile_)->GetDownloadManager() :
         NULL;
-  download_observer_->Initialize(uploader_.get(), download_manager,
-      file_system_->GetGDataTempDownloadFolderPath());
+  download_observer_->Initialize(
+      uploader_.get(),
+      download_manager,
+      file_system_->GetCacheDirectoryPath(
+          GDataRootDirectory::CACHE_TYPE_TMP_DOWNLOADS));
 
   sync_client_->Initialize();
 }
 
 void GDataSystemService::Shutdown() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
   // These should shut down here as they depend on |file_system_|.
   sync_client_.reset();
   download_observer_.reset();
@@ skipping 33 matching lines @@
 }
 
 ProfileKeyedService* GDataSystemServiceFactory::BuildServiceInstanceFor(
     Profile* profile) const {
   GDataSystemService* service = new GDataSystemService(profile);
   service->Initialize();
   return service;
 }
 
 }  // namespace gdata