[mojo] Fix some lint errors

mojo/edk/embedder/embedder.cc

 // Copyright 2014 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 "mojo/edk/embedder/embedder.h"
 
 #include <stdint.h>
+#include <utility>
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/memory/ref_counted.h"
 #include "base/rand_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "mojo/edk/embedder/embedder_internal.h"
@@ skipping 168 matching lines @@
   return base::HexEncode(random_bytes, 16);
 }
 
 MojoResult SetProperty(MojoPropertyType type, const void* value) {
   CHECK(internal::g_core);
   return internal::g_core->SetProperty(type, value);
 }
 
 }  // namespace edk
 }  // namespace mojo