Exclude browser tests PPAPINaClTest.* from running under memcheck.

ui_tests are all gone now, so the old exclusion no longer applies.  We
should nuke the ui_tests exclusion file once the browser_tests bots are
looking greener.  For now it's a nice reference.

TBR=thestig@chromium.org
BUG=104517

Review URL: https://chromiumcodereview.appspot.com/10382219

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@137656 0039d316-1c4b-4281-b951-d872f2087c98

tools/valgrind/gtest_exclude/browser_tests.gtest-memcheck.txt

+# NaCl tests fail with Data Execution Prevention error http://crbug.com/104517
+PPAPINaClTest*

tools/valgrind/gtest_exclude/ui_tests.gtest.txt

@@ -106,9 +106,6 @@ OutOfProcessPPAPITest.PostMessage*
 # Failing, may not be related to the tests above. http://crbug.com/109336
 OutOfProcessPPAPITest.View_PageHideShow
 
-# NaCl ui_tests fail on buildbots http://crbug.com/104517
-PPAPINaClTest*
-
 # Flakily times out, http://crbug.com/92527
 NamedInterfaceTest.BasicNamedInterface