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

mojo/services/view_manager/view_manager_server_apptest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/bind.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "mojo/public/cpp/application/application_delegate.h"
 #include "mojo/public/cpp/application/application_impl.h"
 #include "mojo/public/cpp/application/application_test_base.h"
@@ skipping 195 matching lines @@
  private:
   // Used when running a nested MessageLoop.
   struct WaitState {
     WaitState() : change_count(0) {}
 
     // Number of changes waiting for.
     size_t change_count;
     base::RunLoop run_loop;
   };
 
-  // InterfaceImpl:
-  void OnConnectionEstablished() override {}
-
   // TestChangeTracker::Delegate:
   void OnChangeAdded() override {
     if (wait_state_.get() &&
         wait_state_->change_count == tracker_.changes()->size()) {
       wait_state_->run_loop.Quit();
     }
   }
 
   // ViewManagerClient:
   void OnEmbed(ConnectionSpecificId connection_id,
@@ skipping 1068 matching lines @@
 // that SetBounsdViews/AddView and the like don't result in messages to the
 // originating connection.
 
 // TODO(sky): make sure coverage of what was
 // ViewManagerTest.SecondEmbedRoot_InitService and
 // ViewManagerTest.MultipleEmbedRootsBeforeWTHReady gets added to window manager
 // tests.
 
 }  // namespace service
 }  // namespace mojo