Continue IFWL widget cleanup.

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 <memory>
@@ skipping 115 matching lines @@
   CFWL_NoteDriver* m_pNoteDriver;
   bool m_bInvalid;
 };
 
 class CFWL_ToolTipContainer final : public IFWL_ToolTipDP {
  public:
   static CFWL_ToolTipContainer* getInstance();
   static void DeleteInstance();
 
   // IFWL_ToolTipDP
-  FWL_Error GetCaption(IFWL_Widget* pWidget,
-                       CFX_WideString& wsCaption) override;
+  void GetCaption(IFWL_Widget* pWidget, CFX_WideString& wsCaption) override;
   int32_t GetInitialDelay(IFWL_Widget* pWidget) override;
   int32_t GetAutoPopDelay(IFWL_Widget* pWidget) override;
   CFX_DIBitmap* GetToolTipIcon(IFWL_Widget* pWidget) override;
   CFX_SizeF GetToolTipIconSize(IFWL_Widget* pWidget) override;
 
  protected:
   CFWL_ToolTipContainer();
   ~CFWL_ToolTipContainer() override;
 
   CFX_RectF GetAnchor();
 
  private:
   static CFWL_ToolTipContainer* s_pInstance;
   CFX_WideString m_wsCaption;
   int32_t m_nInitDelayTime;
   int32_t m_nAutoPopDelayTime;
   CFX_RectF m_fAnchor;
 };
 
 #endif  // XFA_FWL_CORE_FWL_NOTEIMP_H_