change all factories to return their base-class

will watch DEPS roll to see if there are chrome sites needing updates

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1535353002

TBR=

Review URL: https://codereview.chromium.org/1535353002

1 files changed, 6 insertions, 6 deletions

diff --git a/src/effects/SkDisplacementMapEffect.cpp b/src/effects/SkDisplacementMapEffect.cpp
index a3fff39b46..2b35036bc5 100644
--- a/src/effects/SkDisplacementMapEffect.cpp
+++ b/src/effects/SkDisplacementMapEffect.cpp
@@ -164,12 +164,12 @@ bool channel_selector_type_is_valid(SkDisplacementMapEffect::ChannelSelectorType
 
 ///////////////////////////////////////////////////////////////////////////////
 
-SkDisplacementMapEffect* SkDisplacementMapEffect::Create(ChannelSelectorType xChannelSelector,
-                                                         ChannelSelectorType yChannelSelector,
-                                                         SkScalar scale,
-                                                         SkImageFilter* displacement,
-                                                         SkImageFilter* color,
-                                                         const CropRect* cropRect) {
+SkImageFilter* SkDisplacementMapEffect::Create(ChannelSelectorType xChannelSelector,
+                                               ChannelSelectorType yChannelSelector,
+                                               SkScalar scale,
+                                               SkImageFilter* displacement,
+                                               SkImageFilter* color,
+                                               const CropRect* cropRect) {
     if (!channel_selector_type_is_valid(xChannelSelector) ||
         !channel_selector_type_is_valid(yChannelSelector)) {
         return nullptr;