Update from https://crrev.com/309415

base/i18n/char_iterator.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef BASE_I18N_CHAR_ITERATOR_H_
 #define BASE_I18N_CHAR_ITERATOR_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/i18n/base_i18n_export.h"
 #include "base/strings/string16.h"
 
 // The CharIterator classes iterate through the characters in UTF8 and
 // UTF16 strings.  Example usage:
 //
 //   UTF8CharIterator iter(&str);
-//   while (!iter.End()) {
+//   while (!iter.end()) {
 //     VLOG(1) << iter.get();
 //     iter.Advance();
 //   }
 
 #if defined(OS_WIN)
 typedef unsigned char uint8_t;
 #endif
 
 namespace base {
 namespace i18n {
@@ skipping 92 matching lines @@
   // The current character.
   int32 char_;
 
   DISALLOW_COPY_AND_ASSIGN(UTF16CharIterator);
 };
 
 }  // namespace i18n
 }  // namespace base
 
 #endif  // BASE_I18N_CHAR_ITERATOR_H_