Use fast build for the perf Win dbg builder.
Use fast build for the perf Win dbg builder.

BUG=none
TEST=win dbg build is green

Review URL: http://codereview.chromium.org/6293016

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@72220 0039d316-1c4b-4281-b951-d872f2087c98

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