Remove forward declares for ASCIIToUTF16 from string_util. All callers now use
utf_string_conversions.h

TEST=it compiles
BUG=none
Review URL: http://codereview.chromium.org/3148019

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@56719 0039d316-1c4b-4281-b951-d872f2087c98
25 files changed