binding: Simplify v8DateOrNaN().

third_party/WebKit/Source/bindings/core/v8/V8Binding.h

Index: third_party/WebKit/Source/bindings/core/v8/V8Binding.h
diff --git a/third_party/WebKit/Source/bindings/core/v8/V8Binding.h b/third_party/WebKit/Source/bindings/core/v8/V8Binding.h
index 29a5a4606e92e0b8b66e3d22d4a0aa7f1f40c8e4..ddcb4714f68a66281cc840bca4f51e90d54ec735 100644
--- a/third_party/WebKit/Source/bindings/core/v8/V8Binding.h
+++ b/third_party/WebKit/Source/bindings/core/v8/V8Binding.h
@@ -658,9 +658,7 @@ inline double toCoreDate(v8::Isolate* isolate,
 inline v8::MaybeLocal<v8::Value> v8DateOrNaN(v8::Isolate* isolate,
                                              double value) {
   ASSERT(isolate);
-  return v8::Date::New(
-      isolate->GetCurrentContext(),
-      std::isfinite(value) ? value : std::numeric_limits<double>::quiet_NaN());
+  return v8::Date::New(isolate->GetCurrentContext(), value);
 }
 
 // FIXME: Remove the special casing for NodeFilter and XPathNSResolver.