Revert "This is a speculative chain of reverts to improve a Chrome"

src/runtime/runtime-futex.cc

Index: src/runtime/runtime-futex.cc
diff --git a/src/runtime/runtime-futex.cc b/src/runtime/runtime-futex.cc
index b6582ffc7f937318e3be5666381c664fc73b9e14..5c2106e6859c4ea8aed6dda846ab2eb6405a60bb 100644
--- a/src/runtime/runtime-futex.cc
+++ b/src/runtime/runtime-futex.cc
@@ -17,44 +17,6 @@
 namespace v8 {
 namespace internal {
 
-RUNTIME_FUNCTION(Runtime_AtomicsWait) {
-  HandleScope scope(isolate);
-  DCHECK_EQ(4, args.length());
-  CONVERT_ARG_HANDLE_CHECKED(JSTypedArray, sta, 0);
-  CONVERT_SIZE_ARG_CHECKED(index, 1);
-  CONVERT_INT32_ARG_CHECKED(value, 2);
-  CONVERT_DOUBLE_ARG_CHECKED(timeout, 3);
-  CHECK(sta->GetBuffer()->is_shared());
-  CHECK_LT(index, NumberToSize(sta->length()));
-  CHECK_EQ(sta->type(), kExternalInt32Array);
-  CHECK(timeout == V8_INFINITY || !std::isnan(timeout));
-
-  if (!isolate->allow_atomics_wait()) {
-    THROW_NEW_ERROR_RETURN_FAILURE(
-        isolate, NewTypeError(MessageTemplate::kAtomicsWaitNotAllowed));
-  }
-
-  Handle<JSArrayBuffer> array_buffer = sta->GetBuffer();
-  size_t addr = (index << 2) + NumberToSize(sta->byte_offset());
-
-  return FutexEmulation::Wait(isolate, array_buffer, addr, value, timeout);
-}
-
-RUNTIME_FUNCTION(Runtime_AtomicsWake) {
-  HandleScope scope(isolate);
-  DCHECK_EQ(3, args.length());
-  CONVERT_ARG_HANDLE_CHECKED(JSTypedArray, sta, 0);
-  CONVERT_SIZE_ARG_CHECKED(index, 1);
-  CONVERT_UINT32_ARG_CHECKED(count, 2);
-  CHECK(sta->GetBuffer()->is_shared());
-  CHECK_LT(index, NumberToSize(sta->length()));
-  CHECK_EQ(sta->type(), kExternalInt32Array);
-
-  Handle<JSArrayBuffer> array_buffer = sta->GetBuffer();
-  size_t addr = (index << 2) + NumberToSize(sta->byte_offset());
-
-  return FutexEmulation::Wake(isolate, array_buffer, addr, count);
-}
 
 RUNTIME_FUNCTION(Runtime_AtomicsNumWaitersForTesting) {
   HandleScope scope(isolate);