Don't valgrind the ProcessSingletonLinuxTest tests which use kill -9.
Don't valgrind the ProcessSingletonLinuxTest tests which use kill -9.

These tests (NotifyOtherProcessFailure and NotifyOtherProcessDifferingHost) involve killing the browser process, which under valgrind leaves incomplete valgrind output.

BUG=25176
TEST="tools/valgrind/chrome_tests.sh -t ui --gtest_filter=ProcessSingletonLinuxTest.\*" should not output any valgrind warnings.

Review URL: http://codereview.chromium.org/460003

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@33618 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser