Suppress yet another flaky WebCore::FooNames::init() leak and a leak in v8::RegisterExtension()  BUG=19191,19196 TEST=valgrind ui bot 1 of 3 green more often
Suppress yet another flaky WebCore::FooNames::init() leak and a leak in v8::RegisterExtension() 
BUG=19191,19196
TEST=valgrind ui bot 1 of 3 green more often

Review URL: http://codereview.chromium.org/165401

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@23220 0039d316-1c4b-4281-b951-d872f2087c98

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