Stop hit testing culled inlines when a match is found

third_party/WebKit/Source/core/layout/line/InlineFlowBox.cpp

 /*
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 1028 matching lines @@
         if (!locationInContainer.intersects(border))
             return false;
     }
 
     // Now check ourselves.
     LayoutRect rect = InlineFlowBoxPainter(*this).frameRectClampedToLineTopAndBottomIfNeeded();
 
     flipForWritingMode(rect);
     rect.moveBy(accumulatedOffset);
 
-    //  Pixel snap hit testing.
+    // Pixel snap hit testing.
     rect = LayoutRect(pixelSnappedIntRect(rect));
     if (visibleToHitTestRequest(result.hitTestRequest()) && locationInContainer.intersects(rect)) {
         lineLayoutItem().updateHitTestResult(result, flipForWritingMode(locationInContainer.point() - toLayoutSize(accumulatedOffset))); // Don't add in m_topLeft here, we want coords in the containing block's space.
-        if (!result.addNodeToListBasedTestResult(lineLayoutItem().node(), locationInContainer, rect))
+        if (result.addNodeToListBasedTestResult(lineLayoutItem().node(), locationInContainer, rect) == StopHitTesting)
             return true;
     }
 
     return false;
 }
 
 void InlineFlowBox::paint(const PaintInfo& paintInfo, const LayoutPoint& paintOffset, LayoutUnit lineTop, LayoutUnit lineBottom) const
 {
     InlineFlowBoxPainter(*this).paint(paintInfo, paintOffset, lineTop, lineBottom);
 }
@@ skipping 248 matching lines @@
         ASSERT(child->prevOnLine() == prev);
         prev = child;
     }
     ASSERT(prev == m_lastChild);
 #endif
 }
 
 #endif
 
 } // namespace blink