Remove UnusedParam.h

Source/platform/text/TextBreakIteratorICU.cpp

 /*
  * 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 150 matching lines @@
     textFixPointer(source, destination, destination->context);
     textFixPointer(source, destination, destination->p);
     textFixPointer(source, destination, destination->q);
     ASSERT(!destination->r);
     const void * chunkContents = static_cast<const void*>(destination->chunkContents);
     textFixPointer(source, destination, chunkContents);
     destination->chunkContents = static_cast<const UChar*>(chunkContents);
     return destination;
 }
 
-static int32_t textExtract(UText* text, int64_t start, int64_t limit, UChar* destination, int32_t destinationCapacity, UErrorCode* errorCode)
+static int32_t textExtract(UText*, int64_t, int64_t, UChar*, int32_t, UErrorCode* errorCode)
 {
-    UNUSED_PARAM(text);
-    UNUSED_PARAM(start);
-    UNUSED_PARAM(limit);
-    UNUSED_PARAM(destination);
-    UNUSED_PARAM(destinationCapacity);
     // In the present context, this text provider is used only with ICU functions
     // that do not perform an extract operation.
     ASSERT_NOT_REACHED();
     *errorCode = U_UNSUPPORTED_ERROR;
     return 0;
 }
 
 static void textClose(UText* text)
 {
     text->context = 0;
@@ skipping 654 matching lines @@
         "$Tel1 $TelV $Tel0;"               // Telugu Virama (backward)
         "$Kan1 $KanV $Kan0;"               // Kannada Virama (backward)
         "$Mal1 $MalV $Mal0;"               // Malayalam Virama (backward)
         "!!safe_reverse;"
         "!!safe_forward;";
 
     return setUpIteratorWithRules(kRules, string, length);
 }
 
 }