CONSOLE MESSAGE: line 15: MainFrameView: didAddVerticalScrollbar
CONSOLE MESSAGE: line 15: FrameView: didAddVerticalScrollbar
CONSOLE MESSAGE: line 15: FrameView: didAddHorizontalScrollbar
CONSOLE MESSAGE: line 15: FrameView: willRemoveVerticalScrollbar
CONSOLE MESSAGE: line 15: MainFrameView: mouseEnteredContentArea
CONSOLE MESSAGE: line 15: MainFrameView: mouseMovedInContentArea
CONSOLE MESSAGE: line 16: FrameView: mouseEnteredHorizontalScrollbar
CONSOLE MESSAGE: line 16: FrameView: mouseEnteredContentArea
CONSOLE MESSAGE: line 16: MainFrameView: mouseMovedInContentArea
CONSOLE MESSAGE: line 17: FrameView: mouseExitedHorizontalScrollbar
CONSOLE MESSAGE: line 17: FrameView: mouseExitedContentArea
CONSOLE MESSAGE: line 17: MainFrameView: mouseMovedInContentArea
PASS successfullyParsed is true

TEST COMPLETE
Test for https://bugs.webkit.org/show_bug.cgi?id=153304.