Devtools Animations: Add cubic bezier easing editor for animations

Source/platform/animation/TimingFunction.cpp

Index: Source/platform/animation/TimingFunction.cpp
diff --git a/Source/platform/animation/TimingFunction.cpp b/Source/platform/animation/TimingFunction.cpp
index 6a47560c6ad203d8714481cb58e7925cb55d82b0..dac35401f20ba10514a0587381eca25cee086b74 100644
--- a/Source/platform/animation/TimingFunction.cpp
+++ b/Source/platform/animation/TimingFunction.cpp
@@ -357,8 +357,9 @@ bool operator==(const CubicBezierTimingFunction& lhs, const TimingFunction& rhs)
         return false;
 
     const CubicBezierTimingFunction& ctf = toCubicBezierTimingFunction(rhs);
-    if ((lhs.subType() == CubicBezierTimingFunction::Custom) && (ctf.subType() == CubicBezierTimingFunction::Custom))
+    if ((lhs.subType() == CubicBezierTimingFunction::Custom) && (ctf.subType() == CubicBezierTimingFunction::Custom)) {
         return (lhs.x1() == ctf.x1()) && (lhs.y1() == ctf.y1()) && (lhs.x2() == ctf.x2()) && (lhs.y2() == ctf.y2());
+    }
 
     return lhs.subType() == ctf.subType();
 }