Mojo C++ bindings: rename ArrayValidateParams for clarity

mojo/public/cpp/bindings/lib/map_data_internal.h

Index: mojo/public/cpp/bindings/lib/map_data_internal.h
diff --git a/mojo/public/cpp/bindings/lib/map_data_internal.h b/mojo/public/cpp/bindings/lib/map_data_internal.h
index d21a7fa8adcb1d70689e30c21b0931d5f1d2eeff..0a4fc73ac6cb29c6762212fd39663f18d78df663 100644
--- a/mojo/public/cpp/bindings/lib/map_data_internal.h
+++ b/mojo/public/cpp/bindings/lib/map_data_internal.h
@@ -26,7 +26,7 @@ class Map_Data {
   // |element_validate_params| members.
   static bool Validate(const void* data,
                        BoundsChecker* bounds_checker,
-                       const ArrayValidateParams* validate_params) {
+                       const ContainerValidateParams* validate_params) {
     if (!data)
       return true;