Replace / with &#x2f; in the log name when emitting STEP_LOG annotations
Replace / with &#x2f; in the log name when emitting STEP_LOG annotations

BUG=425046

Review URL: https://codereview.chromium.org/665883004

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@292536 0039d316-1c4b-4281-b951-d872f2087c98

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