Allow Chrome to bind an Application request from mojo_runner.

mojo/application/public/cpp/application_impl.h

Index: mojo/application/public/cpp/application_impl.h
diff --git a/mojo/application/public/cpp/application_impl.h b/mojo/application/public/cpp/application_impl.h
index 4184ccc844d49273d7f762b11c634ae91c8c86a0..90e795968cd1773da4d1a238417b88ca1f7f90bc 100644
--- a/mojo/application/public/cpp/application_impl.h
+++ b/mojo/application/public/cpp/application_impl.h
@@ -114,6 +114,10 @@ class ApplicationImpl : public Application {
     connection->ConnectToService(ptr);
   }
 
+  // Block the calling thread until the Initialize() method is called by the
+  // shell.
+  void WaitForInitialize();
+
   // Initiate shutdown of this application. This may involve a round trip to the
   // Shell to ensure there are no inbound service requests.
   void Quit();