Revert "Compare external pixel data length against Smi::kMaxValue"

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 4682 matching lines @@
  public:
   inline bool is_the_hole(int index) { return false; }
 
   // [external_pointer]: The pointer to the external memory area backing this
   // external array.
   DECL_ACCESSORS(external_pointer, void)  // Pointer to the data store.
 
   // Casting.
   static inline ExternalArray* cast(Object* obj);
 
+  // Maximal acceptable length for an external array.
+  static const int kMaxLength = 0x3fffffff;
+
   // ExternalArray headers are not quadword aligned.
   static const int kExternalPointerOffset =
       POINTER_SIZE_ALIGN(FixedArrayBase::kLengthOffset + kPointerSize);
   static const int kHeaderSize = kExternalPointerOffset + kPointerSize;
   static const int kAlignedSize = OBJECT_POINTER_ALIGN(kHeaderSize);
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(ExternalArray);
 };
 
@@ skipping 6112 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_