third_party/WebKit: fix typos found in comments

third_party/WebKit/Source/platform/text/TextBoundaries.cpp

 /*
  * Copyright (C) 2006, 2007 Apple Inc.  All rights reserved.
  * Copyright (C) 2009 Dominik Roettsches <dominik.roettsches@access-company.com>
  *
  * 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 48 matching lines @@
     return 0;
 }
 
 int findNextWordFromIndex(const UChar* chars, int len, int position, bool forward)
 {
     TextBreakIterator* it = wordBreakIterator(chars, len);
 
     if (forward) {
         position = it->following(position);
         while (position != TextBreakDone) {
-            // We stop searching when the character preceeding the break
+            // We stop searching when the character preceding the break
             // is alphanumeric.
             if (position < len && isAlphanumeric(chars[position - 1]))
                 return position;
 
             position = it->following(position);
         }
 
         return len;
     } else {
         position = it->preceding(position);
@@ skipping 20 matching lines @@
 }
 
 int findWordEndBoundary(const UChar* chars, int len, int position)
 {
     TextBreakIterator* it = wordBreakIterator(chars, len);
     int end = it->following(position);
     return end < 0 ? it->last() : end;
 }
 
 } // namespace blink