Remove ~1750 superfluous includes from core

Source/core/platform/text/TextEncodingDetectorICU.cpp

 /*
  * Copyright (C) 2008, 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 11 matching lines @@
  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
-#include "core/platform/text/TextEncodingDetector.h"
 
-#include "wtf/UnusedParam.h"
 #include "wtf/text/TextEncoding.h"
 #include <unicode/ucnv.h>
 #include <unicode/ucsdet.h>
 
 namespace WebCore {
 
 bool detectTextEncoding(const char* data, size_t len,
                         const char* hintEncodingName,
                         WTF::TextEncoding* detectedEncoding)
 {
@@ skipping 64 matching lines @@
     if (U_SUCCESS(status)) {
         *detectedEncoding = WTF::TextEncoding(encoding);
         ucsdet_close(detector);
         return true;
     }    
     ucsdet_close(detector);
     return false;
 }
 
 }