Reland: Make the CPDFXFA_App non-global

xfa/fxfa/parser/cxfa_scriptcontext.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 "xfa/fxfa/parser/cxfa_scriptcontext.h"
 
 #include "core/fxcrt/fx_ext.h"
 #include "fxjs/cfxjse_arguments.h"
@@ skipping 117 matching lines @@
     CFXJSE_Context* pVariableContext = nullptr;
     m_mapVariableToContext.GetNextAssoc(ps, pScriptNode, pVariableContext);
 
     delete ToThisProxy(pVariableContext->GetGlobalObject().get(), nullptr);
     delete pVariableContext;
   }
   m_mapVariableToContext.RemoveAll();
 
   m_upObjectArray.RemoveAll();
 }
+
 void CXFA_ScriptContext::Initialize(v8::Isolate* pIsolate) {
   m_pIsolate = pIsolate;
   DefineJsContext();
   DefineJsClass();
   m_ResolveProcessor.reset(new CXFA_ResolveProcessor);
 }
 FX_BOOL CXFA_ScriptContext::RunScript(XFA_SCRIPTLANGTYPE eScriptType,
                                       const CFX_WideStringC& wsScript,
                                       CFXJSE_Value* hRetValue,
                                       CXFA_Object* pThisObject) {
@@ skipping 614 matching lines @@
     return;
   if (nodes.GetSize() > 0)
     m_pScriptNodeArray->Copy(nodes);
 }
 void CXFA_ScriptContext::AddNodesOfRunScript(CXFA_Node* pNode) {
   if (!m_pScriptNodeArray)
     return;
   if (m_pScriptNodeArray->Find(pNode) == -1)
     m_pScriptNodeArray->Add(pNode);
 }