Don't include .exe when building chromium_builder_perf.

BUG=297276,297279
R=tonyg@chromium.org

Review URL: https://codereview.chromium.org/23876031

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@224820 0039d316-1c4b-4281-b951-d872f2087c98
Remove some unused references to ui/base

R=piman@chromium.org
TBR=piman@chromium.org
BUG=none

Review URL: https://codereview.chromium.org/24259008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@224821 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 224820
SVN changes up to revision 224821