Unify ShadowUtils interface

Bug: skia:
Change-Id: I116bec82783d297e91ef061217b5e61f7ff16a76
Reviewed-on: https://skia-review.googlesource.com/16371
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Jim Van Verth <jvanverth@google.com>
diff --git a/samplecode/SampleAndroidShadows.cpp b/samplecode/SampleAndroidShadows.cpp
index 81dc0cc..5b07064 100644
--- a/samplecode/SampleAndroidShadows.cpp
+++ b/samplecode/SampleAndroidShadows.cpp
@@ -145,13 +145,9 @@
         if (fUseAlt) {
             flags |= SkShadowFlags::kGeometricOnly_ShadowFlag;
         }
-        //SkShadowUtils::DrawShadow(canvas, path,
-        //                          zValue,
-        //                          lightPos, lightWidth,
-        //                          ambientAlpha, spotAlpha, SK_ColorBLACK, flags);
-        SkShadowUtils::DrawUncachedShadow(canvas, path, zPlaneParams,
-                                          lightPos, lightWidth,
-                                          ambientAlpha, spotAlpha, SK_ColorBLACK, flags);
+        SkShadowUtils::DrawShadow(canvas, path, zPlaneParams,
+                                  lightPos, lightWidth,
+                                  ambientAlpha, spotAlpha, SK_ColorBLACK, flags);
 
         if (fShowObject) {
             canvas->drawPath(path, paint);