Remove a few unused variables, functions, and member variables.

fpdfsdk/src/javascript/app.cpp

 // 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
 
 #include "../../include/javascript/JavaScript.h"
 #include "../../include/javascript/IJavaScript.h"
 #include "../../include/javascript/JS_Define.h"
 #include "../../include/javascript/JS_Object.h"
@@ skipping 102 matching lines @@
         JS_STATIC_METHOD_ENTRY(popUpMenu, 0)
         JS_STATIC_METHOD_ENTRY(response, 0)
         JS_STATIC_METHOD_ENTRY(setInterval, 2)
         JS_STATIC_METHOD_ENTRY(setTimeOut, 2)
 END_JS_STATIC_METHOD()
 
 IMPLEMENT_JS_CLASS(CJS_App,app)
 
 app::app(CJS_Object * pJSObject) : CJS_EmbedObj(pJSObject) ,
         m_bCalculate(true),
-        m_pRuntime(NULL),
         m_bRuntimeHighLight(false)
 //      m_pMenuHead(NULL)
 {
 }
 
 app::~app(void)
 {
         for (int i=0,sz=m_aTimer.GetSize(); i<sz; i++)
                 delete m_aTimer[i];
 
@@ skipping 990 matching lines @@
 FX_BOOL app::media(OBJ_PROP_PARAMS)
 {
         return FALSE;
 }
 
 FX_BOOL app::execDialog(OBJ_METHOD_PARAMS)
 {
         return TRUE;
 }