Use a string instead of a repr due to unicode/str.
Use a string instead of a repr due to unicode/str.

R=agable@chromium.org
BUG=321369

Review URL: https://codereview.chromium.org/77213002

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@236263 0039d316-1c4b-4281-b951-d872f2087c98

eunchong/build,eunchong/build,eunchong/build,eunchong/build