Remove ApplicationConnection::ConnectToService().

R=vardhan@google.com
BUG=#762

Review URL: https://codereview.chromium.org/1965053002 .

mojo/public/cpp/application/application_connection.h

diff --git a/mojo/public/cpp/application/application_connection.h b/mojo/public/cpp/application/application_connection.h
index 33a7d04..9e6d39c 100644
--- a/mojo/public/cpp/application/application_connection.h
+++ b/mojo/public/cpp/application/application_connection.h
@@ -47,18 +47,6 @@
         Interface::Name_);
   }
 
-  // Binds |ptr| to an implemention of Interface in the remote application.
-  // |ptr| can immediately be used to start sending requests to the remote
-  // service.
-  template <typename Interface>
-  void ConnectToService(InterfacePtr<Interface>* ptr) {
-    if (ServiceProvider* sp = GetServiceProvider()) {
-      MessagePipe pipe;
-      ptr->Bind(InterfaceHandle<Interface>(pipe.handle0.Pass(), 0u));
-      sp->ConnectToService(Interface::Name_, pipe.handle1.Pass());
-    }
-  }
-
   // Returns the URL that was used by the source application to establish a
   // connection to the destination application.
   //

mojo/public/cpp/application/application_impl.h

diff --git a/mojo/public/cpp/application/application_impl.h b/mojo/public/cpp/application/application_impl.h
index e1ffe4e..bd6f50c 100644
--- a/mojo/public/cpp/application/application_impl.h
+++ b/mojo/public/cpp/application/application_impl.h
@@ -18,8 +18,6 @@
 
 namespace mojo {
 
-class ApplicationConnection;
-
 // Implements the Application interface, which the shell uses for basic
 // communication with an application (e.g., to connect clients to services
 // provided by an application). Also provides the application access to the