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 f303cc54c12a7bb3e1a0035227b346ced873a612..1945102968c204009246ee6ab39e89d645776bc0 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;