Remove mojo::WTFArray.

mojo/public/cpp/bindings/struct_traits.h

Index: mojo/public/cpp/bindings/struct_traits.h
diff --git a/mojo/public/cpp/bindings/struct_traits.h b/mojo/public/cpp/bindings/struct_traits.h
index 0b48681f504e1308c67b13ecfbc0fa65812c1658..443ce1497350dabdc0ad547e9f6898ddda10450d 100644
--- a/mojo/public/cpp/bindings/struct_traits.h
+++ b/mojo/public/cpp/bindings/struct_traits.h
@@ -34,7 +34,7 @@ namespace mojo {
 //        - array:
 //          Value or reference of any type that has an ArrayTraits defined.
 //          Supported by default: std::vector, CArray, mojo::Array, WTF::Vector
-//          (in blink), mojo::WTFArray (in blink).
+//          (in blink).
 //
 //        - map:
 //          Value or reference of any type that has a MapTraits defined.