testharnessreport: Clear BODY content regardless of existence of <div id=log>

third_party/WebKit/LayoutTests/media/media-audio-no-spurious-repaints-expected.txt

 CONSOLE MESSAGE: line 29: FAIL! An unexpected number of repaints occurred; expected 3 to 4 with rects of [8, 8, 300, 150]. Actual layer tree: {
   "bounds": [800, 600],
   "children": [
     {
       "bounds": [800, 600],
       "contentsOpaque": true,
       "drawsContent": true,
       "paintInvalidations": [
         {
           "object": "LayoutVideo VIDEO",
           "rect": [8, 8, 300, 150],
           "reason": "full"
         },
         {
           "object": "LayoutVideo VIDEO",
           "rect": [8, 8, 300, 150],
           "reason": "full"
         },
         {
           "object": "LayoutVideo VIDEO",
           "rect": [8, 8, 300, 150],
           "reason": "style change"
         }
       ]
     }
   ]
 }
 
- This is a testharness.js-based test.
+This is a testharness.js-based test.
 FAIL Verifies there are no spurious repaints for audio in a video tag. Cannot read property 'length' of undefined
 Harness: the test ran to completion.