Create Renderer For Whitespace Only Text

Test for http://bugs.webkit.org/show_bug.cgi?id=14134 REGRESSION (r25353): Whitespace nodes ignored between inline list items.

This tests that whitespace-only text nodes get renderers when they should even if initially they did not need a renderer.

The left column should be identical to the right column.

| suit | wet suit | |

• wet
• suit

|

• wet
• suit

| |

wet

suit

|

wet

suit

|