Cleanup usage of scoped_ptr<> in remoting for C++11

remoting/test/protocol_perftest.cc

Index: remoting/test/protocol_perftest.cc
diff --git a/remoting/test/protocol_perftest.cc b/remoting/test/protocol_perftest.cc
index 25c36c6d12c75078f3ab0dcdfb61759a782f86ea..a9cd445828aea0584f3bec1805da501f96e9f96d 100644
--- a/remoting/test/protocol_perftest.cc
+++ b/remoting/test/protocol_perftest.cc
@@ -237,7 +237,7 @@ class ProtocolPerfTest
     scoped_ptr<protocol::TransportFactory> host_transport_factory(
         new protocol::LibjingleTransportFactory(
             host_signaling_.get(),
-            port_allocator.PassAs<cricket::HttpPortAllocatorBase>(),
+            port_allocator.Pass(),
             network_settings));
 
     scoped_ptr<protocol::SessionManager> session_manager(
@@ -308,7 +308,7 @@ class ProtocolPerfTest
     scoped_ptr<protocol::TransportFactory> client_transport_factory(
         new protocol::LibjingleTransportFactory(
             client_signaling_.get(),
-            port_allocator.PassAs<cricket::HttpPortAllocatorBase>(),
+            port_allocator.Pass(),
             network_settings));
 
     std::vector<protocol::AuthenticationMethod> auth_methods;
@@ -320,10 +320,10 @@ class ProtocolPerfTest
             std::string(),  // client_pairing_secret
             std::string(),  // authentication_tag
             base::Bind(&ProtocolPerfTest::FetchPin, base::Unretained(this)),
-            scoped_ptr<protocol::ThirdPartyClientAuthenticator::TokenFetcher>(),
+            nullptr,
             auth_methods));
-    client_.reset(new ChromotingClient(
-        client_context_.get(), this, this, scoped_ptr<AudioPlayer>()));
+    client_.reset(
+        new ChromotingClient(client_context_.get(), this, this, nullptr));
     client_->SetProtocolConfigForTests(protocol_config_->Clone());
     client_->Start(
         client_signaling_.get(), client_authenticator.Pass(),