Rename the get* methods in preparation for removing them.

runtime/observatory/test/type_arguments_test.dart

Index: runtime/observatory/test/type_arguments_test.dart
diff --git a/runtime/observatory/test/type_arguments_test.dart b/runtime/observatory/test/type_arguments_test.dart
index 210a49105ad8c1a12847cecdb88a2a769480c8d5..4b824217832cce55712e1c956ab12a9367aa6ac8 100644
--- a/runtime/observatory/test/type_arguments_test.dart
+++ b/runtime/observatory/test/type_arguments_test.dart
@@ -30,7 +30,7 @@ var tests = [
              greaterThanOrEqualTo(instantiatedTypeArgsList.length));
       // Check that we can 'get' this object again.
       var firstType = allTypeArgsList[0];
-      return isolate.get(firstType['id']).then((ServiceMap map) {
+      return isolate.getObject(firstType['id']).then((ServiceMap map) {
         expect(firstType['name'], map['name']);
       });
     });