Revert 243336 "Revert 243291 "[Buildfix] Fix PlatformFileInfo us..."

> Revert 243291 "[Buildfix] Fix PlatformFileInfo usage in pdf_brow..."
> 
> > [Buildfix] Fix PlatformFileInfo usage in pdf_browsertest.cc
> > 
> > BUG=None
> > TBR=thestig@chromium.org
> > NOTRY=true
> > 
> > Review URL: https://codereview.chromium.org/125973003
> 
> TBR=tzik@chromium.org
> 
> Review URL: https://codereview.chromium.org/126093004

TBR=dxie@chromium.org

Review URL: https://codereview.chromium.org/109733004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@243356 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 243356