Reland of "Remove ExternalArray, derived types, and element kinds"

src/runtime/runtime.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_RUNTIME_RUNTIME_H_
 #define V8_RUNTIME_RUNTIME_H_
 
 #include "src/allocation.h"
 #include "src/objects.h"
 #include "src/zone.h"
@@ skipping 640 matching lines @@
   F(TraceEnter, 0, 1)                         \
   F(TraceExit, 1, 1)                          \
   F(HaveSameMap, 2, 1)                        \
   F(HasFastSmiElements, 1, 1)                 \
   F(HasFastObjectElements, 1, 1)              \
   F(HasFastSmiOrObjectElements, 1, 1)         \
   F(HasFastDoubleElements, 1, 1)              \
   F(HasFastHoleyElements, 1, 1)               \
   F(HasDictionaryElements, 1, 1)              \
   F(HasSloppyArgumentsElements, 1, 1)         \
-  F(HasExternalArrayElements, 1, 1)           \
+  F(HasFixedTypedArrayElements, 1, 1)         \
   F(HasFastProperties, 1, 1)                  \
-  F(HasExternalUint8Elements, 1, 1)           \
-  F(HasExternalInt8Elements, 1, 1)            \
-  F(HasExternalUint16Elements, 1, 1)          \
-  F(HasExternalInt16Elements, 1, 1)           \
-  F(HasExternalUint32Elements, 1, 1)          \
-  F(HasExternalInt32Elements, 1, 1)           \
-  F(HasExternalFloat32Elements, 1, 1)         \
-  F(HasExternalFloat64Elements, 1, 1)         \
-  F(HasExternalUint8ClampedElements, 1, 1)    \
   F(HasFixedUint8Elements, 1, 1)              \
   F(HasFixedInt8Elements, 1, 1)               \
   F(HasFixedUint16Elements, 1, 1)             \
   F(HasFixedInt16Elements, 1, 1)              \
   F(HasFixedUint32Elements, 1, 1)             \
   F(HasFixedInt32Elements, 1, 1)              \
   F(HasFixedFloat32Elements, 1, 1)            \
   F(HasFixedFloat64Elements, 1, 1)            \
   F(HasFixedUint8ClampedElements, 1, 1)
 
@@ skipping 238 matching lines @@
     ARRAY_ID_UINT32 = 5,
     ARRAY_ID_INT32 = 6,
     ARRAY_ID_FLOAT32 = 7,
     ARRAY_ID_FLOAT64 = 8,
     ARRAY_ID_UINT8_CLAMPED = 9,
     ARRAY_ID_FIRST = ARRAY_ID_UINT8,
     ARRAY_ID_LAST = ARRAY_ID_UINT8_CLAMPED
   };
 
   static void ArrayIdToTypeAndSize(int array_id, ExternalArrayType* type,
-                                   ElementsKind* external_elements_kind,
                                    ElementsKind* fixed_elements_kind,
                                    size_t* element_size);
 
   // Used in runtime.cc and hydrogen's VisitArrayLiteral.
   MUST_USE_RESULT static MaybeHandle<Object> CreateArrayLiteralBoilerplate(
       Isolate* isolate, Handle<FixedArray> literals,
       Handle<FixedArray> elements, bool is_strong);
 
 
   static void JSMapInitialize(Isolate* isolate, Handle<JSMap> map);
@@ skipping 51 matching lines @@
 inline bool Runtime::AtomicIsLockFree(uint32_t size) {
   return size == 1 || size == 2 || size == 4;
 }
 
 #endif
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_RUNTIME_RUNTIME_H_