Cleanup: Mark methods with the override keyword.

core/src/fpdfapi/fpdf_page/fpdf_page_colors.cpp

 // 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
 
 #include "../../../include/fpdfapi/fpdf_page.h"
 #include "../../../include/fpdfapi/fpdf_module.h"
 #include "../../../include/fxcodec/fx_codec.h"
 #include "pageint.h"
@@ skipping 494 matching lines @@
                  FX_FLOAT& B) const override;
   FX_BOOL SetRGB(FX_FLOAT* pBuf,
                  FX_FLOAT R,
                  FX_FLOAT G,
                  FX_FLOAT B) const override;
   void TranslateImageLine(uint8_t* pDestBuf,
                           const uint8_t* pSrcBuf,
                           int pixels,
                           int image_width,
                           int image_height,
-                          FX_BOOL bTransMask = FALSE) const;
+                          FX_BOOL bTransMask = FALSE) const override;
 
   FX_FLOAT m_WhitePoint[3];
   FX_FLOAT m_BlackPoint[3];
   FX_FLOAT m_Ranges[4];
 };
 FX_BOOL CPDF_LabCS::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) {
   CPDF_Dictionary* pDict = pArray->GetDict(1);
   if (!pDict) {
     return FALSE;
   }
@@ skipping 1019 matching lines @@
   }
   PatternValue* pvalue = (PatternValue*)m_pBuffer;
   return pvalue->m_nComps ? pvalue->m_Comps : NULL;
 }
 FX_BOOL CPDF_Color::IsEqual(const CPDF_Color& other) const {
   if (m_pCS != other.m_pCS || m_pCS == NULL) {
     return FALSE;
   }
   return FXSYS_memcmp(m_pBuffer, other.m_pBuffer, m_pCS->GetBufSize()) == 0;
 }