Clean up forward declarations and include files in Source/bindings

Source/bindings/core/v8/ScriptPreprocessor.h

 /*
  * Copyright (C) 2013 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 13 matching lines @@
  * 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.
  */
 #ifndef ScriptPreprocessor_h
 #define ScriptPreprocessor_h
 
 #include "bindings/core/v8/V8Binding.h"
-#include "wtf/RefCounted.h"
-#include "wtf/text/WTFString.h"
 #include <v8.h>
 
 namespace blink {
 
-class ScriptController;
 class ScriptSourceCode;
-class ScriptDebugServer;
 
 class ScriptPreprocessor {
     WTF_MAKE_NONCOPYABLE(ScriptPreprocessor);
 public:
     ScriptPreprocessor(const ScriptSourceCode&, LocalFrame*);
     String preprocessSourceCode(const String& sourceCode, const String& sourceName);
     String preprocessSourceCode(const String& sourceCode, const String& sourceName, const String& functionName);
     bool isPreprocessing() { return m_isPreprocessing; }
     bool isValid() { return !m_preprocessorFunction.isEmpty(); }
 
 private:
     String preprocessSourceCode(const String& sourceCode, const String& sourceName, v8::Handle<v8::Value> functionName);
     RefPtr<ScriptState> m_scriptState;
     ScopedPersistent<v8::Function> m_preprocessorFunction;
     bool m_isPreprocessing;
 };
 
 } // namespace blink
 
 #endif // ScriptPreprocessor_h