Compare external pixel data length against Smi::kMaxValue

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index 1194dd393a78355a2bb1edeaa8a14984ec2d8c9c..5b29fe826b468ee2bb13f7bbffd454ba54974515 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -4693,9 +4693,6 @@ class ExternalArray: public FixedArrayBase {
   // 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);