Added PointLights to SkLights::Light

src/core/SkShadowShader.cpp

Index: src/core/SkShadowShader.cpp
diff --git a/src/core/SkShadowShader.cpp b/src/core/SkShadowShader.cpp
index 5fc992acc14dd790ab86e43e6a761ecc7b7db8bc..567adade33b646909e7bccf9438dd41453851506 100644
--- a/src/core/SkShadowShader.cpp
+++ b/src/core/SkShadowShader.cpp
@@ -605,7 +605,7 @@ sk_sp<SkFlattenable> SkShadowShaderImpl::CreateProc(SkReadBuffer& buf) {
         }
 
         if (isAmbient) {
-            builder.add(SkLights::Light(color));
+            builder.add(SkLights::Light::MakeAmbientLight(color));
         } else {
             SkVector3 dir;
             if (!buf.readScalarArray(&dir.fX, 3)) {
@@ -617,7 +617,7 @@ sk_sp<SkFlattenable> SkShadowShaderImpl::CreateProc(SkReadBuffer& buf) {
                 return nullptr;
             }
 
-            SkLights::Light light = SkLights::Light(color, dir);
+            SkLights::Light light = SkLights::Light::MakeDirectionalLight(color, dir);
             light.setShadowMap(depthMap);
 
             builder.add(light);