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

sync/syncable/syncable_unittest.cc

 // Copyright 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 <string>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "base/stl_util.h"
-#include "base/stringprintf.h"
+#include "base/strings/stringprintf.h"
 #include "base/synchronization/condition_variable.h"
 #include "base/test/values_test_util.h"
 #include "base/threading/platform_thread.h"
 #include "base/values.h"
 #include "sync/protocol/bookmark_specifics.pb.h"
 #include "sync/syncable/directory_backing_store.h"
 #include "sync/syncable/directory_change_delegate.h"
 #include "sync/syncable/in_memory_directory_backing_store.h"
 #include "sync/syncable/metahandle_set.h"
 #include "sync/syncable/mutable_entry.h"
@@ skipping 2266 matching lines @@
   EXPECT_TRUE(CreateWithDefaultTag(factory_.NewServerId(), true));
   EXPECT_FALSE(CreateWithDefaultTag(factory_.NewServerId(), true));
   EXPECT_FALSE(CreateWithDefaultTag(factory_.NewServerId(), false));
   EXPECT_FALSE(CreateWithDefaultTag(factory_.NewLocalId(), false));
   EXPECT_FALSE(CreateWithDefaultTag(factory_.NewLocalId(), true));
 }
 
 }  // namespace
 }  // namespace syncable
 }  // namespace syncer