unregisterTask     23 content/shell/renderer/test_runner/WebTask.cpp         m_taskList->unregisterTask(this);
unregisterTask     35 content/shell/renderer/test_runner/WebTask.h     void unregisterTask(WebTask*);
unregisterTask     65 content/shell/renderer/test_runner/WebTask.h         m_taskList->unregisterTask(this);