sync: move internal_api components used by chrome/browser into internal_api/public

sync/internal_api/public/read_node.h

Index: sync/internal_api/public/read_node.h
diff --git a/sync/internal_api/read_node.h b/sync/internal_api/public/read_node.h
similarity index 91%
rename from sync/internal_api/read_node.h
rename to sync/internal_api/public/read_node.h
index 98638de9f84e02dbb1ec6d94901e40b6b455ac36..f57b577adec0181c4a0a11581f60143384bd9bb1 100644
--- a/sync/internal_api/read_node.h
+++ b/sync/internal_api/public/read_node.h
@@ -2,15 +2,15 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef SYNC_INTERNAL_API_READ_NODE_H_
-#define SYNC_INTERNAL_API_READ_NODE_H_
+#ifndef SYNC_INTERNAL_API_PUBLIC_READ_NODE_H_
+#define SYNC_INTERNAL_API_PUBLIC_READ_NODE_H_
 #pragma once
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
-#include "sync/internal_api/base_node.h"
+#include "sync/internal_api/public/base_node.h"
 #include "sync/internal_api/public/syncable/model_type.h"
 
 namespace sync_api {
@@ -63,4 +63,4 @@ class ReadNode : public BaseNode {
 
 }  // namespace sync_api
 
-#endif  // SYNC_INTERNAL_API_READ_NODE_H_
+#endif  // SYNC_INTERNAL_API_PUBLIC_READ_NODE_H_