Occasional leak in WebCore::CSSParser

Expands suppression for CSSParser leak.

BUG=107698
TEST=Valgrind WebKit goes green.
R=eugenis@chromium.org

Review URL: https://codereview.chromium.org/11377172

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@167760 0039d316-1c4b-4281-b951-d872f2087c98

tools/valgrind/memcheck/suppressions.txt

@@ -4275,6 +4275,21 @@
    fun:_ZN7WebCore18StyleSheetInternal6createEv
    fun:_ZN7WebCoreL12parseUASheetERKN3WTF6StringE
 }
+{
+   bug_107698c
+   Memcheck:Leak
+   fun:malloc
+   fun:_ZN3WTF10fastMallocEm
+   ...
+   fun:_Z10cssyyparsePN7WebCore9CSSParserE
+   fun:_ZN7WebCore9CSSParser13parseSelectorERKN3WTF6StringERNS_15CSSSelectorListE
+   fun:_ZN7WebCore18HTMLContentElement18ensureSelectParsedEv
+   fun:_ZN7WebCore18HTMLContentElement13isSelectValidEv
+   fun:_ZN7WebCore9Internals20isValidContentSelectEPNS_7ElementERi
+   fun:_ZN7WebCore19InternalsV8InternalL28isValidContentSelectCallbackERKN2v89ArgumentsE
+   fun:_ZN2v88internalL19HandleApiCallHelperILb0EEEPNS0_11MaybeObjectENS0_12_GLOBAL__N_116BuiltinArgumentsILNS0_21BuiltinExtraArgumentsE1EEEPNS0_7IsolateE
+   fun:_ZN2v88internalL21Builtin_HandleApiCallENS0_12_GLOBAL__N_116BuiltinArgumentsILNS0_21BuiltinExtraArgumentsE1EEEPNS0_7IsolateE
+}
 {
    bug_107699
    Memcheck:Leak