Add support for method parameter type inference to AST summaries.

pkg/analyzer/test/src/summary/summarize_ast_strong_test.dart

Index: pkg/analyzer/test/src/summary/summarize_ast_strong_test.dart
diff --git a/pkg/analyzer/test/src/summary/summarize_ast_strong_test.dart b/pkg/analyzer/test/src/summary/summarize_ast_strong_test.dart
index 95a3cdc155ac1479ac4478d2ecc2e57df7cb06d1..2fe970435fefba4eba9ab99fc858772ecd46edbe 100644
--- a/pkg/analyzer/test/src/summary/summarize_ast_strong_test.dart
+++ b/pkg/analyzer/test/src/summary/summarize_ast_strong_test.dart
@@ -153,11 +153,6 @@ class LinkedSummarizeAstStrongTest extends LinkedSummarizeAstTest {
   }
 
   @override
-  test_method_inferred_type_nonstatic_implicit_param() {
-    // TODO(paulberry): fix.
-  }
-
-  @override
   test_setter_inferred_type_nonstatic_implicit_param() {
     // TODO(paulberry): fix.
   }