Implemented function that returns code age.

src/objects.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 4807 matching lines @@
     kLastCodeAge = kAfterLastCodeAge - 1,
     kCodeAgeCount = kAfterLastCodeAge - 1
   };
 #undef DECLARE_CODE_AGE_ENUM
 
   // Code aging
   static void MakeCodeAgeSequenceYoung(byte* sequence);
   void MakeOlder(MarkingParity);
   static bool IsYoungSequence(byte* sequence);
   bool IsOld();
+  int GetAge();
 
   void PrintDeoptLocation(int bailout_id);
 
 #ifdef VERIFY_HEAP
   void VerifyEmbeddedMapsDependency();
 #endif
 
   // Max loop nesting marker used to postpose OSR. We don't take loop
   // nesting that is deeper than 5 levels into account.
   static const int kMaxLoopNestingMarker = 6;
@@ skipping 121 matching lines @@
 
   // This constant should be encodable in an ARM instruction.
   static const int kFlagsNotUsedInLookup =
       TypeField::kMask | CacheHolderField::kMask;
 
  private:
   friend class RelocIterator;
 
   // Code aging
   byte* FindCodeAgeSequence();
-  static void  GetCodeAgeAndParity(Code* code, Age* age,
-                                   MarkingParity* parity);
+  static void GetCodeAgeAndParity(Code* code, Age* age,
+                                  MarkingParity* parity);
   static void GetCodeAgeAndParity(byte* sequence, Age* age,
                                   MarkingParity* parity);
   static Code* GetCodeAgeStub(Age age, MarkingParity parity);
 
   // Code aging -- platform-specific
   static void PatchPlatformCodeAge(byte* sequence, Age age,
                                    MarkingParity parity);
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(Code);
 };
@@ skipping 4682 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_