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

net/filter/filter_unittest.cc

Index: net/filter/filter_unittest.cc
diff --git a/net/filter/filter_unittest.cc b/net/filter/filter_unittest.cc
index d10fadc637bb754029d3524bd19e108335f0b7f8..d2b6afcf9ecdeb3db4db8718c8c9c0e1378c8698 100644
--- a/net/filter/filter_unittest.cc
+++ b/net/filter/filter_unittest.cc
@@ -149,9 +149,9 @@ TEST(FilterTest, Gzip) {
 // Make sure a series of three pass-through filters copies the data cleanly.
 // Regression test for http://crbug.com/418975.
 TEST(FilterTest, ThreeFilterChain) {
-  scoped_ptr<PassThroughFilter> filter1(new PassThroughFilter);
-  scoped_ptr<PassThroughFilter> filter2(new PassThroughFilter);
-  scoped_ptr<PassThroughFilter> filter3(new PassThroughFilter);
+  std::unique_ptr<PassThroughFilter> filter1(new PassThroughFilter);
+  std::unique_ptr<PassThroughFilter> filter2(new PassThroughFilter);
+  std::unique_ptr<PassThroughFilter> filter3(new PassThroughFilter);
 
   filter1->InitBuffer(32 * 1024);
   filter2->InitBuffer(32 * 1024);