gdata: Get rid of GetGDataCacheTmpDirectory() and friends

chrome/browser/download/save_package_file_picker_chromeos.cc

Index: chrome/browser/download/save_package_file_picker_chromeos.cc
diff --git a/chrome/browser/download/save_package_file_picker_chromeos.cc b/chrome/browser/download/save_package_file_picker_chromeos.cc
index 6fea929ffb0ce265a009491933e0895795790c84..5a5c2130c1154f430dbb79eeb86ad8023d859bb9 100644
--- a/chrome/browser/download/save_package_file_picker_chromeos.cc
+++ b/chrome/browser/download/save_package_file_picker_chromeos.cc
@@ -53,7 +53,8 @@ void SavePackageFilePickerChromeOS::FileSelected(const FilePath& selected_path,
   gdata::GDataFileSystem* gdata_filesystem = GetGDataFileSystem();
   if (gdata_filesystem && gdata::util::IsUnderGDataMountPoint(path)) {
     FilePath gdata_tmp_download_dir =
-        gdata_filesystem->GetGDataTempDownloadFolderPath();
+        gdata_filesystem->GetCacheDirectoryPath(
+            gdata::GDataRootDirectory::CACHE_TYPE_TMP_DOWNLOADS);
 
     selected_path_ = path;
     FilePath* gdata_tmp_download_path = new FilePath();