Fold the FWL NoteThread classes up to the Thread classes.

xfa/fwl/core/fwl_appimp.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 XFA_FWL_CORE_FWL_APPIMP_H_
 #define XFA_FWL_CORE_FWL_APPIMP_H_
 
 #include <memory>
 
 #include "xfa/fwl/core/fwl_threadimp.h"
 
 class CFWL_WidgetMgr;
 class IFWL_AdapterNative;
 class IFWL_WidgetMgr;
 class IFWL_ThemeProvider;
 class IFWL_App;
 
-class CFWL_AppImp : public CFWL_NoteThreadImp {
+class CFWL_AppImp : public CFWL_ThreadImp {
  public:
   CFWL_AppImp(IFWL_App* pIface, IFWL_AdapterNative* pAdapter);
   virtual ~CFWL_AppImp();
   virtual FWL_ERR Initialize();
   virtual FWL_ERR Finalize();
   virtual IFWL_AdapterNative* GetAdapterNative() const;
   virtual IFWL_WidgetMgr* GetWidgetMgr() const;
   virtual IFWL_ThemeProvider* GetThemeProvider() const;
   virtual FWL_ERR SetThemeProvider(IFWL_ThemeProvider* pThemeProvider);
   virtual FWL_ERR Exit(int32_t iExitCode = 0);
 
  protected:
   IFWL_AdapterNative* const m_pAdapterNative;
   std::unique_ptr<CFWL_WidgetMgr> m_pWidgetMgr;
   IFWL_ThemeProvider* m_pThemeProvider;
 };
 
 #endif  // XFA_FWL_CORE_FWL_APPIMP_H_