Change func(void) to func()

core/fpdfapi/fpdf_font/ttgsubtable.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 CORE_FPDFAPI_FPDF_FONT_TTGSUBTABLE_H_
 #define CORE_FPDFAPI_FPDF_FONT_TTGSUBTABLE_H_
 
 #include <stdint.h>
@@ skipping 15 matching lines @@
  protected:
   CFX_BinaryBuf m_Buffer;
 };
 
 class CFX_CTTGSUBTable {
  public:
   CFX_CTTGSUBTable();
   explicit CFX_CTTGSUBTable(FT_Bytes gsub);
   virtual ~CFX_CTTGSUBTable();
 
-  bool IsOk(void) const;
+  bool IsOk() const;
   bool LoadGSUBTable(FT_Bytes gsub);
   bool GetVerticalGlyph(uint32_t glyphnum, uint32_t* vglyphnum);
 
  private:
   struct tt_gsub_header {
     uint32_t Version;
     uint16_t ScriptList;
     uint16_t FeatureList;
     uint16_t LookupList;
   };
@@ skipping 291 matching lines @@
   std::map<uint32_t, uint32_t> m_featureMap;
   FX_BOOL m_bFeautureMapLoad;
   bool loaded;
   struct tt_gsub_header header;
   struct TScriptList ScriptList;
   struct TFeatureList FeatureList;
   struct TLookupList LookupList;
 };
 
 #endif  // CORE_FPDFAPI_FPDF_FONT_TTGSUBTABLE_H_