Add mojo::Binding<Interface> for more flexible pipe<->impl binding

mojo/services/test_service/test_request_tracker_application.cc

Index: mojo/services/test_service/test_request_tracker_application.cc
diff --git a/mojo/services/test_service/test_request_tracker_application.cc b/mojo/services/test_service/test_request_tracker_application.cc
index b533377547afc8257c8d3c5046f829f40020e0c6..a6a026106ddf5613aa4c2bb8d833c44ff6269917 100644
--- a/mojo/services/test_service/test_request_tracker_application.cc
+++ b/mojo/services/test_service/test_request_tracker_application.cc
@@ -15,8 +15,7 @@ namespace mojo {
 namespace test {
 
 TestRequestTrackerApplication::TestRequestTrackerApplication()
-    : test_tracked_request_factory_(&context_),
-      test_request_tracker_factory_(&context_) {
+    : test_tracked_request_factory_(&context_) {
 }
 
 TestRequestTrackerApplication::~TestRequestTrackerApplication() {
@@ -27,15 +26,23 @@ bool TestRequestTrackerApplication::ConfigureIncomingConnection(
   // Every instance of the service and recorder shares the context.
   // Note, this app is single-threaded, so this is thread safe.
   connection->AddService(&test_tracked_request_factory_);
-  connection->AddService(&test_request_tracker_factory_);
-  connection->AddService(this);
+  connection->AddService<TestTimeService>(this);
+  connection->AddService<TestRequestTracker>(this);
   return true;
 }
 
 void TestRequestTrackerApplication::Create(
     ApplicationConnection* connection,
     InterfaceRequest<TestTimeService> request) {
-  BindToRequest(new TestTimeServiceImpl(connection), &request);
+  new TestTimeServiceImpl(connection, request.Pass());
+}
+
+void TestRequestTrackerApplication::Create(
+    ApplicationConnection* connection,
+    InterfaceRequest<TestRequestTracker> request) {
+  TestRequestTrackerImpl* impl =
+      BindToRequest(new TestRequestTrackerImpl(&context_), &request);
+  impl->OnConnectionEstablished();
 }
 
 }  // namespace test