Move the message definitions to their own files.

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 <deque>
 #include <memory>
 #include <unordered_map>
 
 #include "xfa/fwl/core/cfwl_event.h"
-#include "xfa/fwl/core/cfwl_message.h"
 #include "xfa/fwl/core/ifwl_tooltip.h"
 #include "xfa/fwl/core/ifwl_widget.h"
 #include "xfa/fxgraphics/cfx_graphics.h"
 
 class CFWL_EventTarget;
 class CFWL_TargetImp;
 class IFWL_ToolTip;
 class IFWL_Widget;
 
 class CFWL_NoteLoop {
@@ skipping 35 matching lines @@
   }
 
   void Run();
 
   void NotifyTargetHide(IFWL_Widget* pNoteTarget);
   void NotifyTargetDestroy(IFWL_Widget* pNoteTarget);
 
   void RegisterForm(IFWL_Widget* pForm);
   void UnRegisterForm(IFWL_Widget* pForm);
 
-  void QueueMessage(CFWL_Message* pMessage);
+  void QueueMessage(std::unique_ptr<CFWL_Message> pMessage);
   void UnqueueMessage(CFWL_NoteLoop* pNoteLoop);
   void ProcessMessage(CFWL_Message* pMessage);
 
  private:
   bool DispatchMessage(CFWL_Message* pMessage, IFWL_Widget* pMessageForm);
   bool DoSetFocus(CFWL_Message* pMsg, IFWL_Widget* pMessageForm);
   bool DoKillFocus(CFWL_Message* pMsg, IFWL_Widget* pMessageForm);
   bool DoKey(CFWL_Message* pMsg, IFWL_Widget* pMessageForm);
   bool DoMouse(CFWL_Message* pMsg, IFWL_Widget* pMessageForm);
   bool DoWheel(CFWL_Message* pMsg, IFWL_Widget* pMessageForm);
   bool DoMouseEx(CFWL_Message* pMsg, IFWL_Widget* pMessageForm);
   void MouseSecondary(CFWL_Message* pMsg);
   bool IsValidMessage(CFWL_Message* pMessage);
   IFWL_Widget* GetMessageForm(IFWL_Widget* pDstTarget);
 
   CFX_ArrayTemplate<IFWL_Widget*> m_forms;
-  CFX_ArrayTemplate<CFWL_Message*> m_noteQueue;
+  std::deque<std::unique_ptr<CFWL_Message>> m_noteQueue;
   CFX_ArrayTemplate<CFWL_NoteLoop*> m_noteLoopQueue;
   std::unordered_map<uint32_t, CFWL_EventTarget*> m_eventTargets;
   IFWL_Widget* m_pHover;
   IFWL_Widget* m_pFocus;
   IFWL_Widget* m_pGrab;
   std::unique_ptr<CFWL_NoteLoop> m_pNoteLoop;
 };
 
 class CFWL_EventTarget {
  public:
   CFWL_EventTarget(IFWL_Widget* pListener);
   ~CFWL_EventTarget();
 
   int32_t SetEventSource(IFWL_Widget* pSource,
                          uint32_t dwFilter = FWL_EVENT_ALL_MASK);
   bool ProcessEvent(CFWL_Event* pEvent);
 
   bool IsInvalid() const { return m_bInvalid; }
   void FlagInvalid() { m_bInvalid = true; }
 
  private:
   bool IsFilterEvent(CFWL_Event* pEvent, uint32_t dwFilter) const;
 
   CFX_MapPtrTemplate<void*, uint32_t> m_eventSources;
   IFWL_Widget* m_pListener;
   bool m_bInvalid;
 };
 
 #endif  // XFA_FWL_CORE_FWL_NOTEIMP_H_