Enable startup.cold.blank_page on Chromium Mojo Windows 7 Perf FYI.
Enable startup.cold.blank_page on Chromium Mojo Windows 7 Perf FYI.

This was disabled for taking 1.5hrs on the FYI bot:
  http://build.chromium.org/p/chromium.mojo/builders/Chromium%20Mojo%20Windows%207%20Perf
My recent CL sped up cache eviction on Windows:
  https://codereview.chromium.org/1357553002
This test should now run in just a few minutes at most.

Script re-training has no effect, it uses dummy perf test names.

BUG=513779,527254
R=dpranke@chromium.org
TEST=Test passes quickly on FYI bot.

Review URL: https://codereview.chromium.org/1385673002

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@296991 0039d316-1c4b-4281-b951-d872f2087c98

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