Remove the straggling DisableCompositingQueryAsserts.

sky/engine/core/rendering/RenderBlockFlow.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 232 matching lines @@
     if (hasOverflowClip()) {
         // Adjust the paint invalidation rect for scroll offset
         paintInvalidationRect.move(-scrolledContentOffset());
 
         // Don't allow this rect to spill out of our overflow box.
         paintInvalidationRect.intersect(LayoutRect(LayoutPoint(), size()));
     }
 
     // Make sure the rect is still non-empty after intersecting for overflow above
     if (!paintInvalidationRect.isEmpty()) {
-        // Hits in media/event-attributes.html
-        DisableCompositingQueryAsserts disabler;
-
         invalidatePaintRectangle(paintInvalidationRect); // We need to do a partial paint invalidation of our content.
     }
 
     m_paintInvalidationLogicalTop = 0;
     m_paintInvalidationLogicalBottom = 0;
 }
 
 LayoutUnit RenderBlockFlow::logicalLeftSelectionOffset(RenderBlock* rootBlock, LayoutUnit position)
 {
     LayoutUnit logicalLeft = logicalLeftOffsetForLine(false);
@@ skipping 138 matching lines @@
     float logicalLeft = logicalLeftOffsetForLine(false).toFloat();
     float availableLogicalWidth = logicalRightOffsetForLine(false) - logicalLeft;
     updateLogicalWidthForAlignment(textAlign, 0, 0, logicalLeft, totalLogicalWidth, availableLogicalWidth, 0);
 
     if (!style()->isLeftToRightDirection())
         return logicalWidth() - logicalLeft;
     return logicalLeft;
 }
 
 } // namespace blink