Relax colorspace checks in CPDF_DIBSource::CreateDecoder().

core/fxcodec/fx_codec.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_FXCODEC_FX_CODEC_H_
 #define CORE_FXCODEC_FX_CODEC_H_
 
 #include <map>
@@ skipping 78 matching lines @@
   std::unique_ptr<CCodec_PngModule> m_pPngModule;
   std::unique_ptr<CCodec_GifModule> m_pGifModule;
   std::unique_ptr<CCodec_BmpModule> m_pBmpModule;
   std::unique_ptr<CCodec_TiffModule> m_pTiffModule;
 #endif  // PDF_ENABLE_XFA
 
   std::unique_ptr<CCodec_FlateModule> m_pFlateModule;
 };
 
 void ReverseRGB(uint8_t* pDestBuf, const uint8_t* pSrcBuf, int pixels);
+uint32_t ComponentsForFamily(int family);
 void sRGB_to_AdobeCMYK(FX_FLOAT R,
                        FX_FLOAT G,
                        FX_FLOAT B,
                        FX_FLOAT& c,
                        FX_FLOAT& m,
                        FX_FLOAT& y,
                        FX_FLOAT& k);
 void AdobeCMYK_to_sRGB(FX_FLOAT c,
                        FX_FLOAT m,
                        FX_FLOAT y,
@@ skipping 11 matching lines @@
 bool MD5ComputeID(const void* buf, uint32_t dwSize, uint8_t ID[16]);
 void FaxG4Decode(const uint8_t* src_buf,
                  uint32_t src_size,
                  int* pbitpos,
                  uint8_t* dest_buf,
                  int width,
                  int height,
                  int pitch);
 
 #endif  // CORE_FXCODEC_FX_CODEC_H_