Fast path for blurred round rects -- blur a small 9patch rect on the CPU

src/images/SkImageDecoder_libwebp.cpp

Index: src/images/SkImageDecoder_libwebp.cpp
diff --git a/src/images/SkImageDecoder_libwebp.cpp b/src/images/SkImageDecoder_libwebp.cpp
index 4e23e50f5760fcf2024799265d7b4257823cf071..02990258ebe84dbce0f46c5436a95b24b8bfe8b2 100644
--- a/src/images/SkImageDecoder_libwebp.cpp
+++ b/src/images/SkImageDecoder_libwebp.cpp
@@ -559,15 +559,6 @@ static void Index8_To_RGB(const uint8_t* in, uint8_t* rgb, int width,
   }
 }
 
-static void Alpha8_To_RGB(const uint8_t* in, uint8_t* rgb, int width,
-                          const SkPMColor* SK_RESTRICT ctable) {
-  const uint8_t* SK_RESTRICT src = (const uint8_t*)in;
-  for (int i = 0; i < width; ++i) {
-      rgb[0] = rgb[1] = rgb[2] = *src++;
-      rgb += 3;
-  }
-}
-
 static ScanlineImporter ChooseImporter(const SkBitmap::Config& config,
                                        bool  hasAlpha,
                                        int*  bpp) {
@@ -594,9 +585,6 @@ static ScanlineImporter ChooseImporter(const SkBitmap::Config& config,
         case SkBitmap::kIndex8_Config:
             *bpp = 3;
             return Index8_To_RGB;
-        case SkBitmap::kA8_Config:
-            *bpp = 3;
-            return Alpha8_To_RGB;
         default:
             return NULL;
     }