Change scoped_ptr to std::unique_ptr in //net.

net/tools/testserver/run_testserver.cc

Index: net/tools/testserver/run_testserver.cc
diff --git a/net/tools/testserver/run_testserver.cc b/net/tools/testserver/run_testserver.cc
index 717fee17a19425c2816b6db87b8d7326c09cb3f5..6da829d9f315968d25e7bf3e87557887fe035517 100644
--- a/net/tools/testserver/run_testserver.cc
+++ b/net/tools/testserver/run_testserver.cc
@@ -95,7 +95,7 @@ int main(int argc, const char* argv[]) {
     return -1;
   }
 
-  scoped_ptr<net::SpawnedTestServer> test_server;
+  std::unique_ptr<net::SpawnedTestServer> test_server;
   if (net::SpawnedTestServer::UsingSSL(server_type)) {
     test_server.reset(
         new net::SpawnedTestServer(server_type, ssl_options, doc_root));