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

net/android/traffic_stats_unittest.cc

Index: net/android/traffic_stats_unittest.cc
diff --git a/net/android/traffic_stats_unittest.cc b/net/android/traffic_stats_unittest.cc
index 29abbe70e39735b35edcc8d1a34221584d2315ed..71e9eb093200695a4be69adc9b2f3aed13fa5665 100644
--- a/net/android/traffic_stats_unittest.cc
+++ b/net/android/traffic_stats_unittest.cc
@@ -32,7 +32,7 @@ TEST(TrafficStatsAndroidTest, BasicsTest) {
   TestDelegate test_delegate;
   TestURLRequestContext context(false);
 
-  scoped_ptr<URLRequest> request(
+  std::unique_ptr<URLRequest> request(
       context.CreateRequest(embedded_test_server.GetURL("/echo.html"),
                             DEFAULT_PRIORITY, &test_delegate));
   request->Start();
@@ -65,7 +65,7 @@ TEST(TrafficStatsAndroidTest, UIDBasicsTest) {
   TestDelegate test_delegate;
   TestURLRequestContext context(false);
 
-  scoped_ptr<URLRequest> request(
+  std::unique_ptr<URLRequest> request(
       context.CreateRequest(embedded_test_server.GetURL("/echo.html"),
                             DEFAULT_PRIORITY, &test_delegate));
   request->Start();