Enable testProcessCountExtensionProcess, testProcessCountFlashProcess on Linux

These were fixed by my earlier r112315

BUG=102767
TEST=None

R=dennisjeffrey@chromium.org

Review URL: http://codereview.chromium.org/8856008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@113471 0039d316-1c4b-4281-b951-d872f2087c98

chrome/test/functional/PYAUTO_TESTS

@@ -253,9 +253,6 @@
       '-instant',
       # crbug.com/91033
       '-omnibox.OmniboxTest.testOmniboxSearchHistory',
-      # crbug.com/102767
-      '-process_count.ProcessCountTest.testProcessCountExtensionProcess',
-      '-process_count.ProcessCountTest.testProcessCountFlashProcess',
       # Gnome / kwallet popups on linux break sync tests.  crbug.com/80329
       '-sync',
       # crbug.com/87837