Define CHROME_PNG_READ_iCCP_sRGB_cHRM_gAMA

third_party/libpng/pngrutil.c

Index: third_party/libpng/pngrutil.c
diff --git a/third_party/libpng/pngrutil.c b/third_party/libpng/pngrutil.c
index 10588c4e1d0d0b469384cc6e8fef4be05adb18d6..c3afd6cdd1dd4247054b19fa84650ac2d6de9ffa 100644
--- a/third_party/libpng/pngrutil.c
+++ b/third_party/libpng/pngrutil.c
@@ -698,6 +698,11 @@ png_handle_gAMA(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
       /* Should be an error, but we can cope with it */
       png_warning(png_ptr, "Out of place gAMA chunk");
 
+#ifdef CHROME_PNG_READ_iCCP_sRGB_cHRM_gAMA
+    if (info_ptr != NULL)
+      info_ptr->chroma_or_gamma |= PNG_INFO_gAMA;
+#endif
+
    if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_gAMA)
 #ifdef PNG_READ_sRGB_SUPPORTED
       && !(info_ptr->valid & PNG_INFO_sRGB)
@@ -848,6 +853,11 @@ png_handle_cHRM(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
       /* Should be an error, but we can cope with it */
       png_warning(png_ptr, "Missing PLTE before cHRM");
 
+#ifdef CHROME_PNG_READ_iCCP_sRGB_cHRM_gAMA
+    if (info_ptr != NULL)
+      info_ptr->chroma_or_gamma |= PNG_INFO_cHRM;
+#endif
+
    if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_cHRM)
 #ifdef PNG_READ_sRGB_SUPPORTED
       && !(info_ptr->valid & PNG_INFO_sRGB)