Add a new BindInterface() method to Connector.

mojo/public/cpp/bindings/tests/versioning_apptest.cc

Index: mojo/public/cpp/bindings/tests/versioning_apptest.cc
diff --git a/mojo/public/cpp/bindings/tests/versioning_apptest.cc b/mojo/public/cpp/bindings/tests/versioning_apptest.cc
index 89fd88a3e904ab2742c949c5d9a21ef2d21475bd..95a89c0114bf44d0fdef4d0eccd7cda243e0a96c 100644
--- a/mojo/public/cpp/bindings/tests/versioning_apptest.cc
+++ b/mojo/public/cpp/bindings/tests/versioning_apptest.cc
@@ -24,8 +24,7 @@ class VersioningApplicationTest : public ApplicationTestBase {
   void SetUp() override {
     ApplicationTestBase::SetUp();
 
-    connector()->ConnectToInterface("versioning_test_service",
-                                    &database_);
+    connector()->BindInterface("versioning_test_service", &database_);
   }
 
   HumanResourceDatabasePtr database_;