Use a direct include of strings headers in chromeos/.

chromeos/display/output_configurator_unittest.cc

 // Copyright (c) 2012 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 "chromeos/display/output_configurator.h"
 
 #include <cstdarg>
 #include <map>
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/message_loop.h"
-#include "base/stringprintf.h"
+#include "base/strings/stringprintf.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace chromeos {
 
 namespace {
 
 // Strings returned by TestDelegate::GetActionsAndClear() to describe various
 // actions that were performed.
 const char kInitXRandR[] = "init";
 const char kUpdateXRandR[] = "update";
@@ skipping 723 matching lines @@
   test_api_.SendOutputChangeEvents(true);
   EXPECT_EQ(STATE_DUAL_EXTENDED, configurator_.output_state());
 
   outputs_[0].has_display_id = true;
   UpdateOutputs(2);
   test_api_.SendOutputChangeEvents(true);
   EXPECT_EQ(STATE_DUAL_MIRROR, configurator_.output_state());
 }
 
 }  // namespace chromeos