Prototype of RAW decoding in Skia.

dm/DM.cpp

Index: dm/DM.cpp
diff --git a/dm/DM.cpp b/dm/DM.cpp
index c7e0934008f3b5a8b2d8dd982976d169b1c923e0..fc954634fe097ca825fed837cc6fed8a99b152ee 100644
--- a/dm/DM.cpp
+++ b/dm/DM.cpp
@@ -517,6 +517,8 @@ static void gather_srcs() {
     static const char* const exts[] = {
         "bmp", "gif", "jpg", "jpeg", "png", "webp", "ktx", "astc", "wbmp", "ico",
         "BMP", "GIF", "JPG", "JPEG", "PNG", "WEBP", "KTX", "ASTC", "WBMP", "ICO",
+        "arw", "cr2", "dng", "nef", "nrw", "orf", "raf", "rw2", "pef", "srw",
+        "ARW", "CR2", "DNG", "NEF", "NRW", "ORF", "RAF", "RW2", "PEF", "SRW",
     };
     for (int i = 0; i < FLAGS_images.count(); i++) {
         const char* flag = FLAGS_images[i];