Cleanup unused methods and return values in FWL code.

xfa/fwl/core/cfwl_message.h

 // Copyright 2016 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_CFWL_MESSAGE_H_
 #define XFA_FWL_CORE_CFWL_MESSAGE_H_
 
 #include "core/fxcrt/fx_basic.h"
@@ skipping 40 matching lines @@
 enum class FWL_KeyCommand { KeyDown, KeyUp, Char };
 
 class IFWL_Widget;
 
 class CFWL_Message {
  public:
   CFWL_Message();
   virtual ~CFWL_Message();
 
   virtual CFWL_Message* Clone();
-  virtual FWL_Error GetClassName(CFX_WideString& wsClass) const;
   virtual CFWL_MessageType GetClassID() const;
 
   uint32_t Release();
   CFWL_Message* Retain();
 
   IFWL_Widget* m_pSrcTarget;
   IFWL_Widget* m_pDstTarget;
   uint32_t m_dwExtend;
 
  private:
   uint32_t m_dwRefCount;
 };
 
 inline CFWL_Message::CFWL_Message()
     : m_pSrcTarget(nullptr),
       m_pDstTarget(nullptr),
       m_dwExtend(0),
       m_dwRefCount(1) {}
 
 inline CFWL_Message::~CFWL_Message() {}
 
 inline CFWL_Message* CFWL_Message::Clone() {
   return nullptr;
 }
 
-inline FWL_Error CFWL_Message::GetClassName(CFX_WideString& wsClass) const {
-  return FWL_Error::Succeeded;
-}
-
 inline CFWL_MessageType CFWL_Message::GetClassID() const {
   return CFWL_MessageType::None;
 }
 
 inline uint32_t CFWL_Message::Release() {
   m_dwRefCount--;
   uint32_t dwRefCount = m_dwRefCount;
   if (!m_dwRefCount)
     delete this;
   return dwRefCount;
 }
 
 inline CFWL_Message* CFWL_Message::Retain() {
   m_dwRefCount++;
   return this;
 }
 
 #define FWL_MESSAGE_CLASS_DEF(classname, msgType, ...)              \
   class classname : public CFWL_Message {                           \
    public:                                                          \
     classname();                                                    \
     ~classname() override;                                          \
     CFWL_Message* Clone() override;                                 \
-    FWL_Error GetClassName(CFX_WideString& wsClass) const override; \
     CFWL_MessageType GetClassID() const override;                   \
     __VA_ARGS__                                                     \
   };
 
 #define FWL_MESSAGE_FUNCTION_DEF(classname, msgType, ...)                   \
   inline classname::classname() {}                                          \
   inline classname::~classname() {}                                         \
   inline CFWL_Message* classname::Clone() { return new classname(*this); }  \
-  inline FWL_Error classname::GetClassName(CFX_WideString& wsClass) const { \
-    wsClass = L## #classname;                                               \
-    return FWL_Error::Succeeded;                                            \
-  }                                                                         \
   inline CFWL_MessageType classname::GetClassID() const { return msgType; } \
   __VA_ARGS__
 
 #define FWL_MESSAGE_DEF(classname, msgType, ...)         \
   FWL_MESSAGE_CLASS_DEF(classname, msgType, __VA_ARGS__) \
   FWL_MESSAGE_FUNCTION_DEF(classname, msgType)
 
 FWL_MESSAGE_DEF(CFWL_MsgActivate, CFWL_MessageType::Activate)
 
 FWL_MESSAGE_DEF(CFWL_MsgDeactivate, CFWL_MessageType::Deactivate)
@@ skipping 49 matching lines @@
 FWL_MESSAGE_DEF(CFWL_MsgTaskClicked,
                 CFWL_MessageType::TaskClicked,
                 FX_FLOAT m_fx;
                 FX_FLOAT m_fy;)
 
 FWL_MESSAGE_DEF(CFWL_MsgClose, CFWL_MessageType::Close)
 
 FWL_MESSAGE_DEF(CFWL_MsgWindowWillMove, CFWL_MessageType::WindowWillMove)
 
 #endif  // XFA_FWL_CORE_CFWL_MESSAGE_H_