[es6] Unify ArrayBuffer and SharedArrayBuffer constructors.

src/runtime/runtime-typedarray.cc

Index: src/runtime/runtime-typedarray.cc
diff --git a/src/runtime/runtime-typedarray.cc b/src/runtime/runtime-typedarray.cc
index 753cf97f9f5f113f662ba7a4d08a35709abeedbd..14368e58c6e796cae3e100c392037cd4869ca665 100644
--- a/src/runtime/runtime-typedarray.cc
+++ b/src/runtime/runtime-typedarray.cc
@@ -13,32 +13,6 @@
 namespace v8 {
 namespace internal {
 
-
-RUNTIME_FUNCTION(Runtime_ArrayBufferInitialize) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 3);
-  CONVERT_ARG_HANDLE_CHECKED(JSArrayBuffer, holder, 0);
-  CONVERT_NUMBER_ARG_HANDLE_CHECKED(byteLength, 1);
-  CONVERT_BOOLEAN_ARG_CHECKED(is_shared, 2);
-  if (!holder->byte_length()->IsUndefined()) {
-    // ArrayBuffer is already initialized; probably a fuzz test.
-    return *holder;
-  }
-  size_t allocated_length = 0;
-  if (!TryNumberToSize(isolate, *byteLength, &allocated_length)) {
-    THROW_NEW_ERROR_RETURN_FAILURE(
-        isolate, NewRangeError(MessageTemplate::kInvalidArrayBufferLength));
-  }
-  if (!JSArrayBuffer::SetupAllocatingData(
-          holder, isolate, allocated_length, true,
-          is_shared ? SharedFlag::kShared : SharedFlag::kNotShared)) {
-    THROW_NEW_ERROR_RETURN_FAILURE(
-        isolate, NewRangeError(MessageTemplate::kArrayBufferAllocationFailed));
-  }
-  return *holder;
-}
-
-
 RUNTIME_FUNCTION(Runtime_ArrayBufferGetByteLength) {
   SealHandleScope shs(isolate);
   DCHECK(args.length() == 1);
@@ -70,14 +44,6 @@ RUNTIME_FUNCTION(Runtime_ArrayBufferSliceImpl) {
 }
 
 
-RUNTIME_FUNCTION(Runtime_ArrayBufferIsView) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_CHECKED(Object, object, 0);
-  return isolate->heap()->ToBoolean(object->IsJSArrayBufferView());
-}
-
-
 RUNTIME_FUNCTION(Runtime_ArrayBufferNeuter) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 1);