Change profile_info_util.cc so Avatar Icons are not stretched on draw.

BUG=341608
TEST=The icons in the top-right user drop-down should no longer appear
stretched.

Review URL: https://codereview.chromium.org/190553005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@256907 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 256907
Fix a comment re: base/platform_file.h deprecation.

NOTRY=true

Review URL: https://codereview.chromium.org/196353007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@256908 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 256908
Landing assets for https://codereview.chromium.org/197773004/

BUG=338782
TBR=skuhne@chromium.org

Review URL: https://codereview.chromium.org/199493002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@256909 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 256909