Add support for 8 bits/component glyphs, to
better match the fonts produced by CoreText on OS/X.

M    include/config/SkUserConfig.h
M    include/core/SkMask.h
M    include/core/SkScalerContext.h
M    src/core/SkBlitter_ARGB32.cpp
M    src/core/SkScalerContext.cpp
M    src/core/SkPaint.cpp
M    src/gpu/SkGrFontScaler.cpp
M    src/ports/SkFontHost_mac_coretext.cpp
M    src/ports/SkFontHost_mac.cpp
M    gpu/include/GrTypes.h
M    gpu/src/GrAtlas.cpp



git-svn-id: http://skia.googlecode.com/svn/trunk@1672 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/SkGrFontScaler.cpp b/src/gpu/SkGrFontScaler.cpp
index eb260fb..e82b8a0 100644
--- a/src/gpu/SkGrFontScaler.cpp
+++ b/src/gpu/SkGrFontScaler.cpp
@@ -92,6 +92,8 @@
             return kA8_GrMaskFormat;
         case SkMask::kLCD16_Format:
             return kA565_GrMaskFormat;
+        case SkMask::kLCD32_Format:
+            return kA888_GrMaskFormat;
         default:
             GrAssert(!"unsupported SkMask::Format");
             return kA8_GrMaskFormat;