Devirtualize read/write pixels on surface.

src/gpu/SkGr.cpp

Index: src/gpu/SkGr.cpp
diff --git a/src/gpu/SkGr.cpp b/src/gpu/SkGr.cpp
index d9435459f1900ad23487cd2a5309c1b6152f958b..4a2cf47663030aed5da5ef1e3e46bcba0f101842 100644
--- a/src/gpu/SkGr.cpp
+++ b/src/gpu/SkGr.cpp
@@ -254,9 +254,8 @@ static GrTexture *load_yuv_texture(GrContext* ctx, bool cache, const GrTexturePa
         yuvDesc.fHeight = yuvSizes[i].fHeight;
         yuvTextures[i].set(ctx, yuvDesc);
         if ((NULL == yuvTextures[i].texture()) ||
-            !ctx->writeTexturePixels(yuvTextures[i].texture(),
-                0, 0, yuvDesc.fWidth, yuvDesc.fHeight,
-                yuvDesc.fConfig, planes[i], rowBytes[i])) {
+            !yuvTextures[i].texture()->writePixels(0, 0, yuvDesc.fWidth, yuvDesc.fHeight,
+                                                   yuvDesc.fConfig, planes[i], rowBytes[i])) {
             return NULL;
         }
     }