Convert Pass()→std::move() in //net

net/cert_net/cert_net_fetcher_impl_unittest.cc

Index: net/cert_net/cert_net_fetcher_impl_unittest.cc
diff --git a/net/cert_net/cert_net_fetcher_impl_unittest.cc b/net/cert_net/cert_net_fetcher_impl_unittest.cc
index 7f5e54aef0c2e39fe80af8f3f18c4f3afea20d7d..311e93aee016ec7e5e82781f9d82db0d32c1810f 100644
--- a/net/cert_net/cert_net_fetcher_impl_unittest.cc
+++ b/net/cert_net/cert_net_fetcher_impl_unittest.cc
@@ -5,6 +5,7 @@
 #include "net/cert_net/cert_net_fetcher_impl.h"
 
 #include <string>
+#include <utility>
 
 #include "base/compiler_specific.h"
 #include "base/run_loop.h"
@@ -102,7 +103,7 @@ class TestFetchCallback {
       run_loop.Run();
       quit_closure_.Reset();
     }
-    return result_.Pass();
+    return std::move(result_);
   }
 
   bool HasResult() const { return result_.get(); }