Make CapabilityFilter non-nullable.

mojo/application/public/cpp/application_impl.h

 // 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.
 
 #ifndef MOJO_APPLICATION_PUBLIC_CPP_APPLICATION_IMPL_H_
 #define MOJO_APPLICATION_PUBLIC_CPP_APPLICATION_IMPL_H_
 
 #include <vector>
 
 #include "base/macros.h"
 #include "base/memory/scoped_vector.h"
 #include "base/memory/weak_ptr.h"
 #include "mojo/application/public/cpp/app_lifetime_helper.h"
 #include "mojo/application/public/cpp/application_connection.h"
 #include "mojo/application/public/cpp/application_delegate.h"
 #include "mojo/application/public/cpp/lib/service_registry.h"
 #include "mojo/application/public/interfaces/application.mojom.h"
 #include "mojo/application/public/interfaces/shell.mojom.h"
 #include "mojo/public/cpp/bindings/binding.h"
 #include "mojo/public/cpp/bindings/callback.h"
 #include "mojo/public/cpp/system/core.h"
 
 namespace mojo {
 
+CapabilityFilterPtr CreatePermissiveCapabilityFilter();
+
 // TODO(beng): This comment is hilariously out of date.
 // Utility class for communicating with the Shell, and providing Services
 // to clients.
 //
 // To use define a class that implements your specific server api, e.g. FooImpl
 // to implement a service named Foo.
 // That class must subclass an InterfaceImpl specialization.
 //
 // If there is context that is to be shared amongst all instances, define a
 // constructor with that class as its only argument, otherwise define an empty
@@ skipping 89 matching lines @@
   template <typename Interface>
   void ConnectToService(ConnectParams* params, InterfacePtr<Interface>* ptr) {
     scoped_ptr<ApplicationConnection> connection = ConnectToApplication(params);
     if (!connection.get())
       return;
     connection->ConnectToService(ptr);
   }
   template <typename Interface>
   void ConnectToService(const std::string& url, InterfacePtr<Interface>* ptr) {
     ConnectParams params(url);
+    params.set_filter(CreatePermissiveCapabilityFilter());
     return ConnectToService(&params, 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();
@@ skipping 31 matching lines @@
   AppLifetimeHelper app_lifetime_helper_;
   bool quit_requested_;
   base::WeakPtrFactory<ApplicationImpl> weak_factory_;
 
   MOJO_DISALLOW_COPY_AND_ASSIGN(ApplicationImpl);
 };
 
 }  // namespace mojo
 
 #endif  // MOJO_APPLICATION_PUBLIC_CPP_APPLICATION_IMPL_H_