Add kRGBX_8888, kRGBA_1010102, and kRGBX_1010102 color types. Unused for now.

BUG= skia:7533

Change-Id: I4b3f6b827fd833ba2d07895884d2abc9a3132366
Reviewed-on: https://skia-review.googlesource.com/99781
Reviewed-by: Mike Klein <mtklein@chromium.org>
Commit-Queue: Brian Salomon <bsalomon@google.com>
diff --git a/src/codec/SkWebpCodec.cpp b/src/codec/SkWebpCodec.cpp
index d9b13e8..f1c309a 100644
--- a/src/codec/SkWebpCodec.cpp
+++ b/src/codec/SkWebpCodec.cpp
@@ -339,6 +339,9 @@
         case kAlpha_8_SkColorType:
         case kARGB_4444_SkColorType:
         case kGray_8_SkColorType:
+        case kRGB_888x_SkColorType:
+        case kRGBA_1010102_SkColorType:
+        case kRGB_101010x_SkColorType:
             SkASSERT(false);
             break;
         case kRGB_565_SkColorType: