Make TextIterator not stop at IMG element for finding text separating inline image

Source/core/editing/TextIterator.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2005 Alexey Proskuryakov.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 1727 matching lines @@
         return;
     }
 
     // exhaust the current m_textIterator run
     count -= remaining;
     m_offset += remaining;
 
     // move to a subsequent m_textIterator run
     for (m_textIterator.advance(); !atEnd(); m_textIterator.advance()) {
         int runLength = m_textIterator.length();
-        if (!runLength) {
-            m_atBreak = true;
-        } else {
+        if (runLength) {

[mlamouri (slow - plz ping), 2014/10/02 10:44:26]

if (!m_textIterator.length())
  continue;
(or use |runLength|, whatever)

             // see whether this is m_textIterator to use
             if (count < runLength) {
                 m_runOffset = count;
                 m_offset += count;
                 return;
             }
 
             // exhaust this m_textIterator run
             count -= runLength;
             m_offset += runLength;
@@ skipping 658 matching lines @@
             resultEnd = collapseTo;
             return;
         }
     }
 
     CharacterIterator computeRangeIterator(inputStart, inputEnd, iteratorFlagsForFindPlainText);
     calculateCharacterSubrange(computeRangeIterator, matchStart, matchLength, resultStart, resultEnd);
 }
 
 }