Only create arguments-maps in the bootstrapper, remove now obsolete ValueType flag.

src/heap.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_HEAP_H_
 #define V8_HEAP_H_
 
 #include <cmath>
 
 #include "src/allocation.h"
@@ skipping 1449 matching lines @@
 
   // Allocated a HeapNumber from value.
   MUST_USE_RESULT AllocationResult AllocateHeapNumber(
       double value, PretenureFlag pretenure = NOT_TENURED);
 
   // Allocate a byte array of the specified length
   MUST_USE_RESULT AllocationResult AllocateByteArray(
       int length,
       PretenureFlag pretenure = NOT_TENURED);
 
-  // Allocates an arguments object - optionally with an elements array.
-  MUST_USE_RESULT AllocationResult AllocateArgumentsObject(
-      Object* callee, int length);
-
   // Copy the code and scope info part of the code object, but insert
   // the provided data as the relocation information.
   MUST_USE_RESULT AllocationResult CopyCode(Code* code,
                                             Vector<byte> reloc_info);
 
   MUST_USE_RESULT AllocationResult CopyCode(Code* code);
 
   // Allocates a fixed array initialized with undefined values
   MUST_USE_RESULT AllocationResult AllocateFixedArray(
       int length,
@@ skipping 1281 matching lines @@
   DisallowHeapAllocation no_allocation;  // i.e. no gc allowed.
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(PathTracer);
 };
 #endif  // DEBUG
 
 } }  // namespace v8::internal
 
 #endif  // V8_HEAP_H_