Update WebKit test_expectations.txt

BUG=63225
TEST=None

Review URL: http://codereview.chromium.org/4973003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@66140 0039d316-1c4b-4281-b951-d872f2087c98

webkit/tools/layout_tests/test_expectations.txt

@@ -5,4 +5,7 @@
 // Only add expectations here to temporarily suppress messages on the bots
 // until the changes can be landed upstream.
 
-BUG62760 WIN : inspector/styles-source-lines-inline.html = TIMEOUT PASS
\ No newline at end of file
+BUG62760 WIN : inspector/styles-source-lines-inline.html = TIMEOUT PASS
+
+BUG63225 WIN : fast/forms/submit-form-attributes.html = CRASH
+BUG63225 MAC : fast/forms/submit-form-attributes.html = CRASH