Refactor the way we collect the information for associating type-related infos

src/type-info.h

Index: src/type-info.h
===================================================================
--- src/type-info.h	(revision 8321)
+++ src/type-info.h	(working copy)
@@ -248,12 +248,15 @@
 
   void SetInfo(unsigned ast_id, Object* target);
 
-  void PopulateMap(Handle<Code> code);
+  void BuildDictionary(Handle<Code> code);
+  void GetRelocInfos(Handle<Code> code, List<RelocInfo>* infos);
+  void CreateDictionary(Handle<Code> code, List<RelocInfo>* infos);
+  void RelocateRelocInfos(List<RelocInfo>* infos,
+                          byte* old_start,
+                          byte* new_start);
+  void ProcessRelocInfos(List<RelocInfo>* infos);
+  void ProcessTarget(unsigned ast_id, Code* target);
 
-  void CollectIds(Code* code,
-                  List<int>* code_positions,
-                  List<unsigned>* ast_ids);
-
   // Returns an element from the backing store. Returns undefined if
   // there is no information.
   Handle<Object> GetInfo(unsigned ast_id);