Revert "Log more info in file_util::WriteFile for debugging."

>   Log more info in file_util::WriteFile for debugging.
>
>   This is intended to be a temporary change.
>
>   TBR=willchan
>
>   BUG=329478
>
>   Review URL: https://codereview.chromium.org/100033005

TBR=willchan

BUG=329478

Review URL: https://codereview.chromium.org/101643004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@241593 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 241593