Remove deprecated drawShadow interfaces

Bug: skia:7263
Change-Id: I90fcc35e8d070b324287139ebecc3d15dbec0137
Reviewed-on: https://skia-review.googlesource.com/109164
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Jim Van Verth <jvanverth@google.com>
diff --git a/samplecode/SampleAndroidShadows.cpp b/samplecode/SampleAndroidShadows.cpp
index 2621cec..8f076f4 100644
--- a/samplecode/SampleAndroidShadows.cpp
+++ b/samplecode/SampleAndroidShadows.cpp
@@ -155,9 +155,10 @@
             flags |= SkShadowFlags::kGeometricOnly_ShadowFlag;
         }
 
-        SkShadowUtils::DrawShadow(canvas, path, zPlaneParams,
-                                  lightPos, lightWidth,
-                                  ambientAlpha, spotAlpha, SK_ColorBLACK, flags);
+        SkColor ambientColor = SkColorSetARGB(ambientAlpha * 255, 0, 0, 0);
+        SkColor spotColor = SkColorSetARGB(spotAlpha * 255, 0, 0, 0);
+        SkShadowUtils::DrawShadow(canvas, path, zPlaneParams, lightPos, lightWidth,
+                                  ambientColor, spotColor, flags);
 
         if (fShowObject) {
             canvas->drawPath(path, paint);