CompositorFrame: Implement ParamTraits versus StructTraits deserialization test

mojo/public/tools/bindings/generators/cpp_templates/wrapper_class_declaration.tmpl

Index: mojo/public/tools/bindings/generators/cpp_templates/wrapper_class_declaration.tmpl
diff --git a/mojo/public/tools/bindings/generators/cpp_templates/wrapper_class_declaration.tmpl b/mojo/public/tools/bindings/generators/cpp_templates/wrapper_class_declaration.tmpl
index 1c4d9f71b890f167c95918582b6b721568c41a6a..98ae23c65e60cbc4b66d0d021a35bbee94abb3ca 100644
--- a/mojo/public/tools/bindings/generators/cpp_templates/wrapper_class_declaration.tmpl
+++ b/mojo/public/tools/bindings/generators/cpp_templates/wrapper_class_declaration.tmpl
@@ -62,11 +62,11 @@ class {{struct.name}} {
   }
 
   template <typename UserType>
-  static bool Deserialize({{serialization_result_type}} input,
+  static bool Deserialize(const {{serialization_result_type}}& input,
                           UserType* output) {
     return mojo::internal::StructDeserializeImpl<
         {{struct.name}}Ptr, {{serialization_result_type}}>(
-            std::move(input), output);
+            input, output);
   }
 
 {#--- Struct members #}