Fix some net/spdy lint picks, from git cl lint.

net/spdy/spdy_read_queue_unittest.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/spdy/spdy_read_queue.h"
 
 #include <algorithm>
 #include <cstddef>
 #include <memory>
+#include <utility>
 
 #include "base/bind.h"
 #include "base/memory/ptr_util.h"
 #include "base/stl_util.h"
 #include "net/spdy/platform/api/spdy_string.h"
 #include "net/spdy/spdy_buffer.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace net {
 namespace test {
@@ skipping 110 matching lines @@
 
   read_queue.Clear();
 
   EXPECT_TRUE(discarded);
   EXPECT_EQ(kDataSize, discarded_bytes);
   EXPECT_TRUE(read_queue.IsEmpty());
 }
 
 }  // namespace test
 }  // namespace net