Implement 'dart:typeddata' directly in the VM instead of using 'dart:scalarlist'

runtime/vm/bootstrap_natives.h

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_BOOTSTRAP_NATIVES_H_
 #define VM_BOOTSTRAP_NATIVES_H_
 
 #include "vm/native_entry.h"
 
 // bootstrap dart natives used in the core dart library.
@@ skipping 246 matching lines @@
   V(ExternalInt64Array_getIndexed, 2)                                          \
   V(ExternalInt64Array_setIndexed, 3)                                          \
   V(ExternalUint64Array_getIndexed, 2)                                         \
   V(ExternalUint64Array_setIndexed, 3)                                         \
   V(ExternalFloat32x4Array_getIndexed, 2)                                      \
   V(ExternalFloat32x4Array_setIndexed, 3)                                      \
   V(ExternalFloat32Array_getIndexed, 2)                                        \
   V(ExternalFloat32Array_setIndexed, 3)                                        \
   V(ExternalFloat64Array_getIndexed, 2)                                        \
   V(ExternalFloat64Array_setIndexed, 3)                                        \
+  V(TypedData_Int8Array_new, 1)                                                \
+  V(TypedData_Uint8Array_new, 1)                                               \
+  V(TypedData_Uint8ClampedArray_new, 1)                                        \
+  V(TypedData_Int16Array_new, 1)                                               \
+  V(TypedData_Uint16Array_new, 1)                                              \
+  V(TypedData_Int32Array_new, 1)                                               \
+  V(TypedData_Uint32Array_new, 1)                                              \
+  V(TypedData_Int64Array_new, 1)                                               \
+  V(TypedData_Uint64Array_new, 1)                                              \
+  V(TypedData_Float32Array_new, 1)                                             \
+  V(TypedData_Float64Array_new, 1)                                             \
+  V(ExternalTypedData_Int8Array_new, 1)                                        \
+  V(ExternalTypedData_Uint8Array_new, 1)                                       \
+  V(ExternalTypedData_Uint8ClampedArray_new, 1)                                \
+  V(ExternalTypedData_Int16Array_new, 1)                                       \
+  V(ExternalTypedData_Uint16Array_new, 1)                                      \
+  V(ExternalTypedData_Int32Array_new, 1)                                       \
+  V(ExternalTypedData_Uint32Array_new, 1)                                      \
+  V(ExternalTypedData_Int64Array_new, 1)                                       \
+  V(ExternalTypedData_Uint64Array_new, 1)                                      \
+  V(ExternalTypedData_Float32Array_new, 1)                                     \
+  V(ExternalTypedData_Float64Array_new, 1)                                     \
+  V(TypedData_length, 1)                                                       \
+  V(TypedData_GetInt8, 2)                                                      \
+  V(TypedData_SetInt8, 3)                                                      \
+  V(TypedData_GetUint8, 2)                                                     \
+  V(TypedData_SetUint8, 3)                                                     \
+  V(TypedData_GetInt16, 2)                                                     \
+  V(TypedData_SetInt16, 3)                                                     \
+  V(TypedData_GetUint16, 2)                                                    \
+  V(TypedData_SetUint16, 3)                                                    \
+  V(TypedData_GetInt32, 2)                                                     \
+  V(TypedData_SetInt32, 3)                                                     \
+  V(TypedData_GetUint32, 2)                                                    \
+  V(TypedData_SetUint32, 3)                                                    \
+  V(TypedData_GetInt64, 2)                                                     \
+  V(TypedData_SetInt64, 3)                                                     \
+  V(TypedData_GetUint64, 2)                                                    \
+  V(TypedData_SetUint64, 3)                                                    \
+  V(TypedData_GetFloat32, 2)                                                   \
+  V(TypedData_SetFloat32, 3)                                                   \
+  V(TypedData_GetFloat64, 2)                                                   \
+  V(TypedData_SetFloat64, 3)                                                   \
   V(isolate_getPortInternal, 0)                                                \
   V(isolate_spawnFunction, 2)                                                  \
   V(isolate_spawnUri, 1)                                                       \
   V(Mirrors_isLocalPort, 1)                                                    \
   V(Mirrors_makeLocalInstanceMirror, 1)                                        \
   V(Mirrors_makeLocalMirrorSystem, 0)                                          \
   V(LocalObjectMirrorImpl_invoke, 3)                                           \
   V(LocalObjectMirrorImpl_getField, 2)                                         \
   V(LocalObjectMirrorImpl_setField, 3)                                         \
   V(LocalClosureMirrorImpl_apply, 2)                                           \
@@ skipping 18 matching lines @@
   static void DN_##name(Dart_NativeArguments args);
 
   BOOTSTRAP_NATIVE_LIST(DECLARE_BOOTSTRAP_NATIVE)
 
 #undef DECLARE_BOOTSTRAP_NATIVE
 };
 
 }  // namespace dart
 
 #endif  // VM_BOOTSTRAP_NATIVES_H_