Handlify code allocation.

src/heap.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 1111 matching lines @@
   // when shortening objects.
   void CreateFillerObjectAt(Address addr, int size);
 
   bool CanMoveObjectStart(HeapObject* object);
 
   enum InvocationMode { FROM_GC, FROM_MUTATOR };
 
   // Maintain marking consistency for IncrementalMarking.
   void AdjustLiveBytes(Address address, int by, InvocationMode mode);
 
-  // Makes a new native code object
-  // Returns Failure::RetryAfterGC(requested_bytes, space) if the allocation
-  // failed. On success, the pointer to the Code object is stored in the
-  // self_reference. This allows generated code to reference its own Code
-  // object by containing this pointer.
-  // Please note this function does not perform a garbage collection.
-  MUST_USE_RESULT MaybeObject* CreateCode(
-      const CodeDesc& desc,
-      Code::Flags flags,
-      Handle<Object> self_reference,
-      bool immovable = false,
-      bool crankshafted = false,
-      int prologue_offset = Code::kPrologueOffsetNotSet);
+  MUST_USE_RESULT MaybeObject* AllocateCode(int object_size, bool immovable);
 
   MUST_USE_RESULT MaybeObject* CopyCode(Code* code);
 
   // Copy the code and scope info part of the code object, but insert
   // the provided data as the relocation information.
   MUST_USE_RESULT MaybeObject* CopyCode(Code* code, Vector<byte> reloc_info);
 
   // Finds the internalized copy for string in the string table.
   // If not found, a new string is added to the table and returned.
   // Returns Failure::RetryAfterGC(requested_bytes, space) if allocation
@@ skipping 1903 matching lines @@
   DisallowHeapAllocation no_allocation;  // i.e. no gc allowed.
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(PathTracer);
 };
 #endif  // DEBUG
 
 } }  // namespace v8::internal
 
 #endif  // V8_HEAP_H_