Revert of Remove ExternalArray, derived types, and element kinds

src/contexts.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_CONTEXTS_H_
 #define V8_CONTEXTS_H_
 
 #include "src/heap/heap.h"
 #include "src/objects.h"
 
@@ skipping 97 matching lines @@
   V(ARRAY_BUFFER_MAP_INDEX, Map, array_buffer_map)                             \
   V(UINT8_ARRAY_FUN_INDEX, JSFunction, uint8_array_fun)                        \
   V(INT8_ARRAY_FUN_INDEX, JSFunction, int8_array_fun)                          \
   V(UINT16_ARRAY_FUN_INDEX, JSFunction, uint16_array_fun)                      \
   V(INT16_ARRAY_FUN_INDEX, JSFunction, int16_array_fun)                        \
   V(UINT32_ARRAY_FUN_INDEX, JSFunction, uint32_array_fun)                      \
   V(INT32_ARRAY_FUN_INDEX, JSFunction, int32_array_fun)                        \
   V(FLOAT32_ARRAY_FUN_INDEX, JSFunction, float32_array_fun)                    \
   V(FLOAT64_ARRAY_FUN_INDEX, JSFunction, float64_array_fun)                    \
   V(UINT8_CLAMPED_ARRAY_FUN_INDEX, JSFunction, uint8_clamped_array_fun)        \
+  V(INT8_ARRAY_EXTERNAL_MAP_INDEX, Map, int8_array_external_map)               \
+  V(UINT8_ARRAY_EXTERNAL_MAP_INDEX, Map, uint8_array_external_map)             \
+  V(INT16_ARRAY_EXTERNAL_MAP_INDEX, Map, int16_array_external_map)             \
+  V(UINT16_ARRAY_EXTERNAL_MAP_INDEX, Map, uint16_array_external_map)           \
+  V(INT32_ARRAY_EXTERNAL_MAP_INDEX, Map, int32_array_external_map)             \
+  V(UINT32_ARRAY_EXTERNAL_MAP_INDEX, Map, uint32_array_external_map)           \
+  V(FLOAT32_ARRAY_EXTERNAL_MAP_INDEX, Map, float32_array_external_map)         \
+  V(FLOAT64_ARRAY_EXTERNAL_MAP_INDEX, Map, float64_array_external_map)         \
+  V(UINT8_CLAMPED_ARRAY_EXTERNAL_MAP_INDEX, Map,                               \
+    uint8_clamped_array_external_map)                                          \
   V(DATA_VIEW_FUN_INDEX, JSFunction, data_view_fun)                            \
   V(SLOPPY_FUNCTION_MAP_INDEX, Map, sloppy_function_map)                       \
   V(SLOPPY_FUNCTION_WITH_READONLY_PROTOTYPE_MAP_INDEX, Map,                    \
     sloppy_function_with_readonly_prototype_map)                               \
   V(STRICT_FUNCTION_MAP_INDEX, Map, strict_function_map)                       \
   V(STRONG_FUNCTION_MAP_INDEX, Map, strong_function_map)                       \
   V(SLOPPY_FUNCTION_WITHOUT_PROTOTYPE_MAP_INDEX, Map,                          \
     sloppy_function_without_prototype_map)                                     \
   V(STRICT_FUNCTION_WITHOUT_PROTOTYPE_MAP_INDEX, Map,                          \
     strict_function_without_prototype_map)                                     \
@@ skipping 533 matching lines @@
   static bool IsBootstrappingOrGlobalObject(Isolate* isolate, Object* object);
 #endif
 
   STATIC_ASSERT(kHeaderSize == Internals::kContextHeaderSize);
   STATIC_ASSERT(EMBEDDER_DATA_INDEX == Internals::kContextEmbedderDataIndex);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_CONTEXTS_H_