Remove PLATFORM(BLACKBERRY) support.

Source/WTF/wtf/text/WTFString.h

 /*
  * (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012, 2013 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 24 matching lines @@
 #if PLATFORM(QT)
 QT_BEGIN_NAMESPACE
 class QString;
 QT_END_NAMESPACE
 #endif
 
 #if PLATFORM(WX)
 class wxString;
 #endif
 
-#if PLATFORM(BLACKBERRY)
-namespace BlackBerry {
-namespace Platform {
-class String;
-}
-}
-#endif
-
 namespace WTF {
 
 class CString;
 class MemoryObjectInfo;
 struct StringHash;
 
 // Declarations of string operations
 
 WTF_EXPORT_STRING_API int charactersToIntStrict(const LChar*, size_t, bool* ok = 0, int base = 10);
 WTF_EXPORT_STRING_API int charactersToIntStrict(const UChar*, size_t, bool* ok = 0, int base = 10);
@@ skipping 367 matching lines @@
     WTF_EXPORT_STRING_API String(const QString&);
     WTF_EXPORT_STRING_API String(const QStringRef&);
     WTF_EXPORT_STRING_API operator QString() const;
 #endif
 
 #if PLATFORM(WX)
     WTF_EXPORT_PRIVATE String(const wxString&);
     WTF_EXPORT_PRIVATE operator wxString() const;
 #endif
 
-#if PLATFORM(BLACKBERRY)
-    String(const BlackBerry::Platform::String&);
-    operator BlackBerry::Platform::String() const;
-#endif
-
     WTF_EXPORT_STRING_API static String make8BitFrom16BitSource(const UChar*, size_t);
     template<size_t inlineCapacity>
     static String make8BitFrom16BitSource(const Vector<UChar, inlineCapacity>& buffer)
     {
         return make8BitFrom16BitSource(buffer.data(), buffer.size());
     }
 
     WTF_EXPORT_STRING_API static String make16BitFrom8BitSource(const LChar*, size_t);
 
     // String::fromUTF8 will return a null string if
@@ skipping 256 matching lines @@
 using WTF::equal;
 using WTF::equalIgnoringCase;
 using WTF::find;
 using WTF::isAllSpecialCharacters;
 using WTF::isSpaceOrNewline;
 using WTF::reverseFind;
 using WTF::ASCIILiteral;
 
 #include <wtf/text/AtomicString.h>
 #endif