Roll icu -> 175290

r175290: Make icu compile for Win64 (disables C4267)

TBR=jschuh@chromium.org
BUG=166496


Review URL: https://chromiumcodereview.appspot.com/11830034

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@176020 0039d316-1c4b-4281-b951-d872f2087c98
1 file changed