Make code compile with clang_use_chrome_plugin (final)

fxjse/class.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 "fxjse/include/cfxjse_class.h"
 
 #include "fxjse/context.h"
 #include "fxjse/include/cfxjse_arguments.h"
@@ skipping 254 matching lines @@
         v8::FunctionTemplate::New(
             pIsolate, FXJSE_Context_GlobalObjToString,
             v8::External::New(pIsolate, const_cast<FXJSE_CLASS_DESCRIPTOR*>(
                                             lpClassDefinition))));
   }
   pClass->m_hTemplate.Reset(lpContext->m_pIsolate, hFunctionTemplate);
   lpContext->m_rgClasses.push_back(std::unique_ptr<CFXJSE_Class>(pClass));
   return pClass;
 }
 
+CFXJSE_Class::CFXJSE_Class(CFXJSE_Context* lpContext)
+    : m_lpClassDefinition(nullptr), m_pContext(lpContext) {}
+
+CFXJSE_Class::~CFXJSE_Class() {}
+
 CFXJSE_Class* CFXJSE_Class::GetClassFromContext(CFXJSE_Context* pContext,
                                                 const CFX_ByteStringC& szName) {
   for (const auto& pClass : pContext->m_rgClasses) {
     if (pClass->m_szClassName == szName)
       return pClass.get();
   }
   return nullptr;
 }