Android: Eliminate sync_file_system extensions code.

chrome/browser/browsing_data/browsing_data_file_system_helper.cc

Index: chrome/browser/browsing_data/browsing_data_file_system_helper.cc
diff --git a/chrome/browser/browsing_data/browsing_data_file_system_helper.cc b/chrome/browser/browsing_data/browsing_data_file_system_helper.cc
index 294c179d5cfed28b399bb66482e7d10e2c080566..3b98bfd1b4729a1ff0ebca2f1d0be42e8c125dc5 100644
--- a/chrome/browser/browsing_data/browsing_data_file_system_helper.cc
+++ b/chrome/browser/browsing_data/browsing_data_file_system_helper.cc
@@ -124,7 +124,9 @@ void BrowsingDataFileSystemHelperImpl::FetchFileSystemInfoInFileThread() {
   const fileapi::FileSystemType types[] = {
     fileapi::kFileSystemTypeTemporary,
     fileapi::kFileSystemTypePersistent,
+#if defined(ENABLE_EXTENSIONS)
     fileapi::kFileSystemTypeSyncable,
+#endif
   };
 
   typedef std::map<GURL, FileSystemInfo> OriginInfoMap;