Fix (nearly all) IWYU in fpdfskd/include/javascript/ headers.

fpdfsdk/include/javascript/console.h

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
  
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #ifndef _CONSOLE_H_
 #define _CONSOLE_H_
 
+#include "JS_Define.h"
+
 class console : public CJS_EmbedObj
 {
 public:
         console(CJS_Object* pJSObject);
         virtual ~console(void);
 
 public:
         FX_BOOL clear(IFXJS_Context* cc, const CJS_Parameters& params, CJS_Value& vRet, CFX_WideString& sError);
         FX_BOOL hide(IFXJS_Context* cc, const CJS_Parameters& params, CJS_Value& vRet, CFX_WideString& sError);
         FX_BOOL println(IFXJS_Context* cc, const CJS_Parameters& params, CJS_Value& vRet, CFX_WideString& sError);
         FX_BOOL show(IFXJS_Context* cc, const CJS_Parameters& params, CJS_Value& vRet, CFX_WideString& sError);
 };
 
 class CJS_Console : public CJS_Object  
 {
 public:
         CJS_Console(JSFXObject pObject) : CJS_Object(pObject) {};
         virtual ~CJS_Console(void){};
 
         DECLARE_JS_CLASS(CJS_Console);
 
         JS_STATIC_METHOD(clear, console);
         JS_STATIC_METHOD(hide, console);
         JS_STATIC_METHOD(println, console);
         JS_STATIC_METHOD(show, console);
 };
 
 #endif //_CONSOLE_H_