Make inttypes.h and similar macro usage C++11-friendly.
"foo"PRIuS is a user-defined literal in C++11. Add spaces around these macros.
Likewise, L"\xab"L"c" is a user-defined literal, so insert a space in the
middle.
No functionality change.
BUG=chromium:263960
TBR=alokp@chromium.org, dmichael@chromium.org, enne@chromium.org, isherman@chromium.org, rsleevi@chromium.org, thestig@chromium.org
Review URL: https://codereview.chromium.org/
20182002
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@213566 0039d316-1c4b-4281-b951-d872f2087c98