Fold the FWL NoteThread classes up to the Thread classes.

xfa/fwl/core/fwl_noteimp.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_NOTEIMP_H_
 #define XFA_FWL_CORE_FWL_NOTEIMP_H_
 
 #include "xfa/fwl/core/ifwl_notedriver.h"
@@ skipping 40 matching lines @@
   CFWL_NoteDriver();
   ~CFWL_NoteDriver() override;
 
   // IFWL_NoteDriver:
   FX_BOOL SendNote(CFWL_Note* pNote) override;
   FWL_ERR RegisterEventTarget(IFWL_Widget* pListener,
                               IFWL_Widget* pEventSource = NULL,
                               uint32_t dwFilter = FWL_EVENT_ALL_MASK) override;
   FWL_ERR UnregisterEventTarget(IFWL_Widget* pListener) override;
   void ClearEventTargets(FX_BOOL bRemoveAll) override;
-  IFWL_NoteThread* GetOwnerThread() const override;
+  IFWL_Thread* GetOwnerThread() const override;
   FWL_ERR PushNoteLoop(IFWL_NoteLoop* pNoteLoop) override;
   IFWL_NoteLoop* PopNoteLoop() override;
   IFWL_Widget* GetFocus() override;
   FX_BOOL SetFocus(IFWL_Widget* pFocus, FX_BOOL bNotify = FALSE) override;
   void SetGrab(IFWL_Widget* pGrab, FX_BOOL bSet) override;
   FWL_ERR Run() override;
 
   IFWL_Widget* GetHover();
   void SetHover(IFWL_Widget* pHover);
   void NotifyTargetHide(IFWL_Widget* pNoteTarget);
@@ skipping 78 matching lines @@
   IFWL_ToolTipTarget* pCurTarget;
   CFWL_ToolTipImp* m_pToolTipImp;
   CFWL_CoreToolTipDP* m_ToolTipDp;
   CFX_PtrArray m_arrWidget;
 
  private:
   static CFWL_ToolTipContainer* s_pInstance;
 };
 
 #endif  // XFA_FWL_CORE_FWL_NOTEIMP_H_