Remove backpointer to CJS_Runtime from CJS_Value

fpdfsdk/javascript/event.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 "fpdfsdk/javascript/event.h"
 
 #include "fpdfsdk/javascript/Field.h"
 #include "fpdfsdk/javascript/JS_Define.h"
@@ skipping 37 matching lines @@
 
 event::~event() {}
 
 FX_BOOL event::change(IJS_Context* cc,
                       CJS_PropValue& vp,
                       CFX_WideString& sError) {
   CJS_Context* pContext = (CJS_Context*)cc;
   CJS_EventHandler* pEvent = pContext->GetEventHandler();
   CFX_WideString& wChange = pEvent->Change();
   if (vp.IsSetting()) {
-    if (vp.GetType() == CJS_Value::VT_string)
+    if (vp.GetJSValue()->GetType() == CJS_Value::VT_string)
       vp >> wChange;
   } else {
     vp << wChange;
   }
   return TRUE;
 }
 
 FX_BOOL event::changeEx(IJS_Context* cc,
                         CJS_PropValue& vp,
                         CFX_WideString& sError) {
@@ skipping 245 matching lines @@
 
   CJS_Context* pContext = (CJS_Context*)cc;
   CJS_EventHandler* pEvent = pContext->GetEventHandler();
 
   if (pEvent->WillCommit())
     vp << TRUE;
   else
     vp << FALSE;
   return TRUE;
 }