Cleanup unused methods and return values in FWL code.

xfa/fwl/core/ifwl_tooltip.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_IFWL_TOOLTIP_H_
 #define XFA_FWL_CORE_IFWL_TOOLTIP_H_
 
 #include "xfa/fwl/core/ifwl_form.h"
 #include "xfa/fwl/core/ifwl_timer.h"
 
 class CFWL_WidgetImpProperties;
 class IFWL_Widget;
 class CFWL_ToolTipImpDelegate;
 
-#define FWL_CLASS_ToolTip L"FWL_TOOLTIP"
 #define FWL_STYLEEXT_TTP_Rectangle (0L << 3)
 #define FWL_STYLEEXT_TTP_RoundCorner (1L << 3)
 #define FWL_STYLEEXT_TTP_Balloon (1L << 4)
 #define FWL_STYLEEXT_TTP_Multiline (1L << 5)
 #define FWL_STYLEEXT_TTP_NoAnchor (1L << 6)
 
 class IFWL_ToolTipDP : public IFWL_DataProvider {
  public:
   // IFWL_DataProvider
   FWL_Error GetCaption(IFWL_Widget* pWidget,
                        CFX_WideString& wsCaption) override = 0;
 
   virtual int32_t GetInitialDelay(IFWL_Widget* pWidget) = 0;
   virtual int32_t GetAutoPopDelay(IFWL_Widget* pWidget) = 0;
   virtual CFX_DIBitmap* GetToolTipIcon(IFWL_Widget* pWidget) = 0;
   virtual CFX_SizeF GetToolTipIconSize(IFWL_Widget* pWidget) = 0;
 };
 
 class IFWL_ToolTip : public IFWL_Form {
  public:
   IFWL_ToolTip(const CFWL_WidgetImpProperties& properties, IFWL_Widget* pOuter);
   ~IFWL_ToolTip() override;
 
   // IFWL_Widget
-  FWL_Error GetClassName(CFX_WideString& wsClass) const override;
   FWL_Type GetClassID() const override;
   FWL_Error Initialize() override;
-  FWL_Error Finalize() override;
+  void Finalize() override;
   FWL_Error GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize = FALSE) override;
   FWL_Error Update() override;
   FWL_Error DrawWidget(CFX_Graphics* pGraphics,
                        const CFX_Matrix* pMatrix = nullptr) override;
   void SetStates(uint32_t dwStates, FX_BOOL bSet) override;
   FWL_Error GetClientRect(CFX_RectF& rect) override;
 
   void SetAnchor(const CFX_RectF& rtAnchor);
   void Show();
   void Hide();
@@ skipping 46 matching lines @@
   void OnFocusChanged(CFWL_Message* pMsg, FX_BOOL bSet = TRUE);
   void OnLButtonDown(CFWL_MsgMouse* pMsg);
   void OnLButtonUp(CFWL_MsgMouse* pMsg);
   void OnMouseMove(CFWL_MsgMouse* pMsg);
   void OnMouseLeave(CFWL_MsgMouse* pMsg);
   void OnKeyDown(CFWL_MsgKey* pMsg);
   IFWL_ToolTip* m_pOwner;
 };
 
 #endif  // XFA_FWL_CORE_IFWL_TOOLTIP_H_