add asAShadowBlur for android to drawlooper

src/effects/SkEmbossMaskFilter.cpp

Index: src/effects/SkEmbossMaskFilter.cpp
diff --git a/src/effects/SkEmbossMaskFilter.cpp b/src/effects/SkEmbossMaskFilter.cpp
index 9bf5025e702b223ac52ce97ff828a1dbad504000..cdd55fcc5b836e00328e6fba0aca41ac50097f56 100644
--- a/src/effects/SkEmbossMaskFilter.cpp
+++ b/src/effects/SkEmbossMaskFilter.cpp
@@ -1,4 +1,3 @@
-
 /*
  * Copyright 2006 The Android Open Source Project
  *
@@ -6,7 +5,6 @@
  * found in the LICENSE file.
  */
 
-
 #include "SkEmbossMaskFilter.h"
 #include "SkBlurMaskFilter.h"
 #include "SkBlurMask.h"
@@ -15,6 +13,10 @@
 #include "SkWriteBuffer.h"
 #include "SkString.h"
 
+SkEmbossMaskFilter* SkEmbossMaskFilter::Create(SkScalar blurSigma, const Light& light) {
+    return SkNEW_ARGS(SkEmbossMaskFilter, (blurSigma, light));
+}
+
 static inline int pin2byte(int n) {
     if (n < 0) {
         n = 0;