[iwyu] runtime.h doesn't need objects.h

src/globals.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_GLOBALS_H_
 #define V8_GLOBALS_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 1303 matching lines @@
 // be enumerable or not, and, in case of functions, the function name
 // can be set or not.
 enum class DataPropertyInLiteralFlag {
   kNoFlags = 0,
   kDontEnum = 1 << 0,
   kSetFunctionName = 1 << 1
 };
 typedef base::Flags<DataPropertyInLiteralFlag> DataPropertyInLiteralFlags;
 DEFINE_OPERATORS_FOR_FLAGS(DataPropertyInLiteralFlags)
 
+enum ExternalArrayType {
+  kExternalInt8Array = 1,
+  kExternalUint8Array,
+  kExternalInt16Array,
+  kExternalUint16Array,
+  kExternalInt32Array,
+  kExternalUint32Array,
+  kExternalFloat32Array,
+  kExternalFloat64Array,
+  kExternalUint8ClampedArray,
+};
+
 }  // namespace internal
 }  // namespace v8
 
 // Used by js-builtin-reducer to identify whether ReduceArrayIterator() is
 // reducing a JSArray method, or a JSTypedArray method.
 enum class ArrayIteratorKind { kArray, kTypedArray };
 
 namespace i = v8::internal;
 
 #endif  // V8_GLOBALS_H_