Introduce IsUndefined(Isolate*) and IsTheHole(Isolate*)

src/ic/x64/handler-compiler-x64.cc

Index: src/ic/x64/handler-compiler-x64.cc
diff --git a/src/ic/x64/handler-compiler-x64.cc b/src/ic/x64/handler-compiler-x64.cc
index 348f79cb21df0b22cd80e3d41c39da6fe8b4df85..adba582ae936c27e24ad44aeb4c829376233d683 100644
--- a/src/ic/x64/handler-compiler-x64.cc
+++ b/src/ic/x64/handler-compiler-x64.cc
@@ -180,7 +180,7 @@ void PropertyHandlerCompiler::GenerateApiAccessorCall(
   Handle<CallHandlerInfo> api_call_info = optimization.api_call_info();
   bool call_data_undefined = false;
   // Put call data in place.
-  if (api_call_info->data()->IsUndefined()) {
+  if (api_call_info->data()->IsUndefined(isolate)) {
     call_data_undefined = true;
     __ LoadRoot(data, Heap::kUndefinedValueRootIndex);
   } else {
@@ -657,7 +657,7 @@ Handle<Code> NamedStoreHandlerCompiler::CompileStoreCallback(
   __ Push(holder_reg);
   // If the callback cannot leak, then push the callback directly,
   // otherwise wrap it in a weak cell.
-  if (callback->data()->IsUndefined() || callback->data()->IsSmi()) {
+  if (callback->data()->IsUndefined(isolate()) || callback->data()->IsSmi()) {
     __ Push(callback);
   } else {
     Handle<WeakCell> cell = isolate()->factory()->NewWeakCell(callback);