Convert //remoting to use std::unique_ptr

remoting/host/token_validator_base.h

Index: remoting/host/token_validator_base.h
diff --git a/remoting/host/token_validator_base.h b/remoting/host/token_validator_base.h
index 660a89849f22f6360640aa60629a5670340e0a63..eab3064ae4f446254353aa2904ded4374b2cc3a0 100644
--- a/remoting/host/token_validator_base.h
+++ b/remoting/host/token_validator_base.h
@@ -5,9 +5,10 @@
 #ifndef REMOTING_HOST_TOKEN_VALIDATOR_BASE_H_
 #define REMOTING_HOST_TOKEN_VALIDATOR_BASE_H_
 
+#include <memory>
+
 #include "base/callback.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "net/url_request/url_request.h"
 #include "net/url_request/url_request_context_getter.h"
@@ -65,7 +66,7 @@ class TokenValidatorBase
   scoped_refptr<net::URLRequestContextGetter> request_context_getter_;
 
   // URLRequest related fields.
-  scoped_ptr<net::URLRequest> request_;
+  std::unique_ptr<net::URLRequest> request_;
   scoped_refptr<net::IOBuffer> buffer_;
   std::string data_;