Revert of fix misc asserts and checks found by fuzzer (patchset #1 id:1 of https://codereview.chromium.org/1719913002/ )

Reason for revert:
Looks to be causing failures in LayerTreeHostFilters* tests (https://build.chromium.org/p/tryserver.chromium.win/builders/win_chromium_rel_ng/builds/177297/steps/cc_unittests%20%28with%20patch%29/logs/stdio).

Original issue's description:
> fix misc asserts and checks found by fuzzer
>
> BUG=skia:
> GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1713383002
>
> TBR=
>
> Committed: https://skia.googlesource.com/skia/+/653db51b440491b0fb1908bf5a43dcc89c90044d

TBR=reed@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Review URL: https://codereview.chromium.org/1721743002

1 files changed, 2 insertions, 14 deletions

diff --git a/include/core/SkPathEffect.h b/include/core/SkPathEffect.h
index a77b9467e4..bd68c8fa72 100644
--- a/include/core/SkPathEffect.h
+++ b/include/core/SkPathEffect.h
@@ -183,13 +183,7 @@ public:
         The reference counts for outer and inner are both incremented in the constructor,
         and decremented in the destructor.
     */
-    static SkPathEffect* Create(SkPathEffect* outer, SkPathEffect* inner) {
-        if (!outer) {
-            return SkSafeRef(inner);
-        }
-        if (!inner) {
-            return SkSafeRef(outer);
-        }
+    static SkComposePathEffect* Create(SkPathEffect* outer, SkPathEffect* inner) {
         return new SkComposePathEffect(outer, inner);
     }
 
@@ -226,13 +220,7 @@ public:
         The reference counts for first and second are both incremented in the constructor,
         and decremented in the destructor.
     */
-    static SkPathEffect* Create(SkPathEffect* first, SkPathEffect* second) {
-        if (!first) {
-            return SkSafeRef(second);
-        }
-        if (!second) {
-            return SkSafeRef(first);
-        }
+    static SkSumPathEffect* Create(SkPathEffect* first, SkPathEffect* second) {
         return new SkSumPathEffect(first, second);
     }