Sort class IDs before training AppJIT snapshots

runtime/vm/precompiler.h

Index: runtime/vm/precompiler.h
diff --git a/runtime/vm/precompiler.h b/runtime/vm/precompiler.h
index e47674cfda4c8ab1d062216decb4e7702d8a421e..788182a2eb9f5712cb22ed995dda6968fc51ed52 100644
--- a/runtime/vm/precompiler.h
+++ b/runtime/vm/precompiler.h
@@ -445,7 +445,6 @@ class Precompiler : public ValueObject {
   ParsedJSONObject* LookupFeedback(const Function& function);
 
   void DoCompileAll(Dart_QualifiedFunctionName embedder_entry_points[]);
-  void ClearAllCode();
   void AddRoots(Dart_QualifiedFunctionName embedder_entry_points[]);
   void AddEntryPoints(Dart_QualifiedFunctionName entry_points[]);
   void Iterate();
@@ -493,9 +492,6 @@ class Precompiler : public ValueObject {
   void PrecompileConstructors();
 
   void FinalizeAllClasses();
-  void SortClasses();
-  void RemapClassIds(intptr_t* old_to_new_cid);
-  void RehashTypes();
   void VerifyJITFeedback();
   RawScript* LookupScript(const char* uri);
   intptr_t MapCid(intptr_t feedback_cid);