Toward precompiled snapshots.

runtime/bin/extensions.h

Index: runtime/bin/extensions.h
diff --git a/runtime/bin/extensions.h b/runtime/bin/extensions.h
index 2b4e19bffd3de6e2f43f4e9d8a59e09d31138e2d..25dbfeb13092fb047042a1ea2178af9ba5dd3f28 100644
--- a/runtime/bin/extensions.h
+++ b/runtime/bin/extensions.h
@@ -21,14 +21,14 @@ class Extensions {
                                    const char* extension_name,
                                    Dart_Handle parent_library);
 
- private:
-  // The returned string must be freed.
-  static char* Concatenate(const char** strings);
-
   // Platform-specific implementations.
   static void* LoadExtensionLibrary(const char* library_file);
   static void* ResolveSymbol(void* lib_handle, const char* symbol);
 
+ private:
+  // The returned string must be freed.
+  static char* Concatenate(const char** strings);
+
   DISALLOW_ALLOCATION();
   DISALLOW_IMPLICIT_CONSTRUCTORS(Extensions);
 };