Assertion failure in LayerFlushScheduler::resume() when running some layout tests in WebKitTestRunner
<rdar://problem/10455522>
This is causing the test crashes seen here: http://build.webkit.org/builders/Lion%20Intel%20Debug%20%28WebKit2%20Tests%29/builds/1808/steps/layout-test/logs/stdio
Created attachment 115424 [details] Patch
Committed r100492: <http://trac.webkit.org/changeset/100492>