change more effects to only expose factories

src/effects/SkColorFilterImageFilter.cpp

Index: src/effects/SkColorFilterImageFilter.cpp
diff --git a/src/effects/SkColorFilterImageFilter.cpp b/src/effects/SkColorFilterImageFilter.cpp
index e5f64ce2f95b24f7a8f8f6ba2441577b99b9228b..46bad10ce346325e10382cb01558d48784ef9a8b 100644
--- a/src/effects/SkColorFilterImageFilter.cpp
+++ b/src/effects/SkColorFilterImageFilter.cpp
@@ -15,8 +15,8 @@
 #include "SkTableColorFilter.h"
 #include "SkWriteBuffer.h"
 
-SkColorFilterImageFilter* SkColorFilterImageFilter::Create(SkColorFilter* cf,
-        SkImageFilter* input, const CropRect* cropRect) {
+SkImageFilter* SkColorFilterImageFilter::Create(SkColorFilter* cf, SkImageFilter* input,
+                                                const CropRect* cropRect) {
     if (nullptr == cf) {
         return nullptr;
     }