Minimal changes to not crash GPU with color fonts.

src/gpu/SkGrFontScaler.cpp

Index: src/gpu/SkGrFontScaler.cpp
===================================================================
--- src/gpu/SkGrFontScaler.cpp	(revision 12394)
+++ src/gpu/SkGrFontScaler.cpp	(working copy)
@@ -85,6 +85,7 @@
             return kA8_GrMaskFormat;
         case SkMask::kLCD16_Format:
             return kA565_GrMaskFormat;
+        case SkMask::kARGB32_Format:

[reed1, 2013/11/26 19:58:03]

This may have us not crash, but its not logically correct, yes? A888 is 3 alpha
channels, not 1 (I think).

[bungeman-skia, 2013/11/26 20:43:43]

Done. Added comment that this is temporary. These two are the same size, so it
works out. The gpu will draw the colors wrong, but this is already less wrong
than it is without this change.

         case SkMask::kLCD32_Format:
             return kA888_GrMaskFormat;
         default: