TextBreakIterator should use the C++ icu API instead of the C one

Source/platform/text/TextBreakIterator.h

 /*
  * Copyright (C) 2006 Lars Knoll <lars@trolltech.com>
  * Copyright (C) 2007, 2011, 2012 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,
@@ skipping 10 matching lines @@
 
 #ifndef TextBreakIterator_h
 #define TextBreakIterator_h
 
 #include "platform/PlatformExport.h"
 #include "wtf/text/AtomicString.h"
 #include "wtf/unicode/Unicode.h"
 
 namespace WebCore {
 
-class TextBreakIterator;
+typedef icu::BreakIterator TextBreakIterator;
 
 // Note: The returned iterator is good only until you get another iterator, with the exception of acquireLineBreakIterator.
 
 // This is similar to character break iterator in most cases, but is subject to
 // platform UI conventions. One notable example where this can be different
 // from character break iterator is Thai prepend characters, see bug 24342.
 // Use this for insertion point and selection manipulations.
 PLATFORM_EXPORT TextBreakIterator* cursorMovementIterator(const UChar*, int length);
 
 PLATFORM_EXPORT TextBreakIterator* wordBreakIterator(const String&, int start, int length);
 PLATFORM_EXPORT TextBreakIterator* wordBreakIterator(const UChar*, int length);
 PLATFORM_EXPORT TextBreakIterator* acquireLineBreakIterator(const LChar*, int length, const AtomicString& locale, const UChar* priorContext, unsigned priorContextLength);
 PLATFORM_EXPORT TextBreakIterator* acquireLineBreakIterator(const UChar*, int length, const AtomicString& locale, const UChar* priorContext, unsigned priorContextLength);
 PLATFORM_EXPORT void releaseLineBreakIterator(TextBreakIterator*);
 PLATFORM_EXPORT TextBreakIterator* sentenceBreakIterator(const UChar*, int length);
 
-PLATFORM_EXPORT int textBreakFirst(TextBreakIterator*);
-PLATFORM_EXPORT int textBreakLast(TextBreakIterator*);
-PLATFORM_EXPORT int textBreakNext(TextBreakIterator*);
-PLATFORM_EXPORT int textBreakPrevious(TextBreakIterator*);
-PLATFORM_EXPORT int textBreakCurrent(TextBreakIterator*);
-PLATFORM_EXPORT int textBreakPreceding(TextBreakIterator*, int);
-PLATFORM_EXPORT int textBreakFollowing(TextBreakIterator*, int);
-PLATFORM_EXPORT bool isTextBreak(TextBreakIterator*, int);
 PLATFORM_EXPORT bool isWordTextBreak(TextBreakIterator*);
 
 const int TextBreakDone = -1;
 
 class PLATFORM_EXPORT LazyLineBreakIterator {
 public:
     LazyLineBreakIterator()
         : m_iterator(0)
         , m_cachedPriorContext(0)
         , m_cachedPriorContextLength(0)
@@ skipping 168 matching lines @@
 // of a non-combining character and following combining characters is
 // counted as 1 grapheme cluster.
 PLATFORM_EXPORT unsigned numGraphemeClusters(const String&);
 // Returns the number of characters which will be less than or equal to
 // the specified grapheme cluster length.
 PLATFORM_EXPORT unsigned numCharactersInGraphemeClusters(const String&, unsigned);
 
 }
 
 #endif