Use a direct include of strings headers in rlz/, sandbox/, skia/, sql/, sync/.

sync/test/local_sync_test_server.cc

 // Copyright 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 "sync/test/local_sync_test_server.h"
 
 #include "base/command_line.h"
 #include "base/path_service.h"
-#include "base/string_number_conversions.h"
+#include "base/strings/string_number_conversions.h"
 #include "base/values.h"
 #include "net/test/python_utils.h"
 #include "net/test/spawned_test_server/spawned_test_server.h"
 
 namespace syncer {
 
 LocalSyncTestServer::LocalSyncTestServer()
     : LocalTestServer(
         net::SpawnedTestServer::TYPE_HTTP,  // Sync uses the HTTP scheme.
         net::SpawnedTestServer::kLocalhost,
@@ skipping 66 matching lines @@
   if (!GetPyProtoPath(&pyproto_dir)) {
     LOG(WARNING) << "Cannot find pyproto dir for generated code. "
                  << "Testserver features that rely on it will not work";
     return true;
   }
   AppendToPythonPath(pyproto_dir.AppendASCII("sync").AppendASCII("protocol"));
   return true;
 }
 
 }  // namespace syncer