Remove ScopedVector from net/socket tests

Some scoped_ptrs are made by make_scoped_ptr function because
the bare pointer is also used after putting scoped_ptr to vector.

BUG=554289

Review URL: https://codereview.chromium.org/1459633003

Cr-Commit-Position: refs/heads/master@{#361078}
diff --git a/net/socket/client_socket_pool_base_unittest.cc b/net/socket/client_socket_pool_base_unittest.cc
index 6b58813..133f7b1 100644
--- a/net/socket/client_socket_pool_base_unittest.cc
+++ b/net/socket/client_socket_pool_base_unittest.cc
@@ -726,7 +726,9 @@
 
   TestSocketRequest* request(int i) { return test_base_.request(i); }
   size_t requests_size() const { return test_base_.requests_size(); }
-  ScopedVector<TestSocketRequest>* requests() { return test_base_.requests(); }
+  std::vector<scoped_ptr<TestSocketRequest>>* requests() {
+    return test_base_.requests();
+  }
   size_t completion_count() const { return test_base_.completion_count(); }
 
   TestNetLog net_log_;