Cleanup CPDF_DIBSource::LoadColorInfo() and ValidateDictParam().

core/src/fpdfapi/fpdf_page/pageint.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_SRC_FPDFAPI_FPDF_PAGE_PAGEINT_H_
 #define CORE_SRC_FPDFAPI_FPDF_PAGE_PAGEINT_H_
 
 #include <map>
@@ skipping 384 matching lines @@
  public:
   explicit CPDF_DocPageData(CPDF_Document* pPDFDoc);
   ~CPDF_DocPageData();
 
   void Clear(FX_BOOL bRelease = FALSE);
   CPDF_Font* GetFont(CPDF_Dictionary* pFontDict, FX_BOOL findOnly);
   CPDF_Font* GetStandardFont(const CFX_ByteStringC& fontName,
                              CPDF_FontEncoding* pEncoding);
   void ReleaseFont(CPDF_Dictionary* pFontDict);
   CPDF_ColorSpace* GetColorSpace(CPDF_Object* pCSObj,
-                                 CPDF_Dictionary* pResources);
+                                 const CPDF_Dictionary* pResources);
   CPDF_ColorSpace* GetCopiedColorSpace(CPDF_Object* pCSObj);
   void ReleaseColorSpace(CPDF_Object* pColorSpace);
   CPDF_Pattern* GetPattern(CPDF_Object* pPatternObj,
                            FX_BOOL bShading,
                            const CFX_AffineMatrix* matrix);
   void ReleasePattern(CPDF_Object* pPatternObj);
   CPDF_Image* GetImage(CPDF_Object* pImageStream);
   void ReleaseImage(CPDF_Object* pImageStream);
   CPDF_IccProfile* GetIccProfile(CPDF_Stream* pIccProfileStream);
   void ReleaseIccProfile(CPDF_IccProfile* pIccProfile);
@@ skipping 103 matching lines @@
                  FX_FLOAT& G,
                  FX_FLOAT& B) const override;
   CPDF_ColorSpace* GetBaseCS() const override;
 
  private:
   CPDF_ColorSpace* m_pBaseCS;
   CPDF_CountedColorSpace* m_pCountedBaseCS;
 };
 
 #endif  // CORE_SRC_FPDFAPI_FPDF_PAGE_PAGEINT_H_