get skia building

core/fpdfapi/fpdf_page/cpdf_shadingpattern.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 CORE_FPDFAPI_FPDF_PAGE_CPDF_SHADINGPATTERN_H_
 #define CORE_FPDFAPI_FPDF_PAGE_CPDF_SHADINGPATTERN_H_
 
 #include <memory>
@@ skipping 37 matching lines @@
            m_ShadingType == kLatticeFormGouraudTriangleMeshShading ||
            m_ShadingType == kCoonsPatchMeshShading ||
            m_ShadingType == kTensorProductPatchMeshShading;
   }
   bool Load();
 
   ShadingType GetShadingType() const { return m_ShadingType; }
   FX_BOOL IsShadingObject() const { return m_bShadingObj; }
   CPDF_Object* GetShadingObject() const { return m_pShadingObj; }
   CPDF_ColorSpace* GetCS() const { return m_pCS; }
-  const std::vector<std::unique_ptr<CPDF_Function>>& GetFuncs() {
+  const std::vector<std::unique_ptr<CPDF_Function>>& GetFuncs() const {
     return m_pFunctions;
   }
 
  private:
   ShadingType m_ShadingType;
   FX_BOOL m_bShadingObj;
   CPDF_Object* m_pShadingObj;
 
   // Still keep |m_pCS| as some CPDF_ColorSpace (name object) are not managed
   // as counted objects. Refer to CPDF_DocPageData::GetColorSpace.
   CPDF_ColorSpace* m_pCS;
 
   CPDF_CountedColorSpace* m_pCountedCS;
   std::vector<std::unique_ptr<CPDF_Function>> m_pFunctions;
 };
 
 #endif  // CORE_FPDFAPI_FPDF_PAGE_CPDF_SHADINGPATTERN_H_