Outline SkImageFilter Make methods

include/effects/SkMergeImageFilter.h

Index: include/effects/SkMergeImageFilter.h
diff --git a/include/effects/SkMergeImageFilter.h b/include/effects/SkMergeImageFilter.h
index e85cc1f97fd45a8aadd134b28f0b482a1ff9a56a..3bab08b2a15a6cbc75698e4f5020d11c9272d6d7 100644
--- a/include/effects/SkMergeImageFilter.h
+++ b/include/effects/SkMergeImageFilter.h
@@ -18,18 +18,11 @@ public:
 
     static sk_sp<SkImageFilter> Make(sk_sp<SkImageFilter> first, sk_sp<SkImageFilter> second,
                                      SkXfermode::Mode mode = SkXfermode::kSrcOver_Mode,
-                                     const CropRect* cropRect = nullptr) {
-        sk_sp<SkImageFilter> inputs[2] = { first, second };
-        SkXfermode::Mode modes[2] = { mode, mode };
-        return sk_sp<SkImageFilter>(new SkMergeImageFilter(inputs, 2, modes, cropRect));
-    }
-
+                                     const CropRect* cropRect = nullptr);
     static sk_sp<SkImageFilter> Make(sk_sp<SkImageFilter> filters[],
                                      int count,
                                      const SkXfermode::Mode modes[] = nullptr,
-                                     const CropRect* cropRect = nullptr) {
-        return sk_sp<SkImageFilter>(new SkMergeImageFilter(filters, count, modes, cropRect));
-    }
+                                     const CropRect* cropRect = nullptr);
 
     SK_TO_STRING_OVERRIDE()
     SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkMergeImageFilter)