Revert "Do fcntl(...F_FULLFSYNC...) on mac instead of fsync"

third_party/leveldatabase/env_chromium.cc

Index: third_party/leveldatabase/env_chromium.cc
diff --git a/third_party/leveldatabase/env_chromium.cc b/third_party/leveldatabase/env_chromium.cc
index 413f230508ee155235f4557dfa299c01b896d1d1..97f6c8ef4c16aeba8a7da11230dc8bee85111c04 100644
--- a/third_party/leveldatabase/env_chromium.cc
+++ b/third_party/leveldatabase/env_chromium.cc
@@ -68,8 +68,6 @@ int fflush_wrapper(FILE *file) {
 int fdatasync(int fildes) {
 #if defined(OS_WIN)
   return _commit(fildes);
-#elif defined(OS_MACOSX)
-  return HANDLE_EINTR(fcntl(fildes, F_FULLFSYNC, 0));
 #else
   return HANDLE_EINTR(fsync(fildes));
 #endif
@@ -517,7 +515,7 @@ Status ChromiumWritableFile::Sync() {
     error = errno;
   // Sync even if fflush gave an error; perhaps the data actually got out,
   // even though something went wrong.
-  if (fdatasync(fileno(file_)) == -1 && !error)
+  if (fdatasync(fileno(file_)) && !error)
     error = errno;
   // Report the first error we found.
   if (error) {