change all factories to return their base-class

tests/AsADashTest.cpp

Index: tests/AsADashTest.cpp
diff --git a/tests/AsADashTest.cpp b/tests/AsADashTest.cpp
index c59dc8344fd449a58d72a0f185ba6d23aabffcf5..fc4efecbb2686353fc66d8447f5f84c720f73492 100644
--- a/tests/AsADashTest.cpp
+++ b/tests/AsADashTest.cpp
@@ -12,7 +12,7 @@
 #include "SkCornerPathEffect.h"
 
 DEF_TEST(AsADashTest_noneDash, reporter) {
-    SkAutoTUnref<SkCornerPathEffect> pe(SkCornerPathEffect::Create(1.0));
+    SkAutoTUnref<SkPathEffect> pe(SkCornerPathEffect::Create(1.0));
     SkPathEffect::DashInfo info;
 
     SkPathEffect::DashType dashType = pe->asADash(&info);
@@ -22,7 +22,7 @@ DEF_TEST(AsADashTest_noneDash, reporter) {
 DEF_TEST(AsADashTest_nullInfo, reporter) {
     SkScalar inIntervals[] = { 4.0, 2.0, 1.0, 3.0 };
     const SkScalar phase = 2.0;
-    SkAutoTUnref<SkDashPathEffect> pe(SkDashPathEffect::Create(inIntervals, 4, phase));
+    SkAutoTUnref<SkPathEffect> pe(SkDashPathEffect::Create(inIntervals, 4, phase));
 
     SkPathEffect::DashType dashType = pe->asADash(nullptr);
     REPORTER_ASSERT(reporter, SkPathEffect::kDash_DashType == dashType);
@@ -33,7 +33,7 @@ DEF_TEST(AsADashTest_usingDash, reporter) {
     SkScalar totalIntSum = 10.0;
     const SkScalar phase = 2.0;
 
-    SkAutoTUnref<SkDashPathEffect> pe(SkDashPathEffect::Create(inIntervals, 4, phase));
+    SkAutoTUnref<SkPathEffect> pe(SkDashPathEffect::Create(inIntervals, 4, phase));
 
     SkPathEffect::DashInfo info;