Fast path Location.hash as some apps call it 10000+ times a frame.

sdk/lib/_blink/dartium/_blink_dartium.dart

Index: sdk/lib/_blink/dartium/_blink_dartium.dart
diff --git a/sdk/lib/_blink/dartium/_blink_dartium.dart b/sdk/lib/_blink/dartium/_blink_dartium.dart
index 4e302c9172014abc91d8f8a7e3ec854a84334200..03e0eedfd24a603182508b6b64a359e2f0a8de08 100644
--- a/sdk/lib/_blink/dartium/_blink_dartium.dart
+++ b/sdk/lib/_blink/dartium/_blink_dartium.dart
@@ -10143,9 +10143,9 @@ class BlinkLocation {
 
   ancestorOrigins_Getter_(mthis) => Blink_JsNative_DomException.getProperty(mthis /* Location */, "ancestorOrigins");
 
-  hash_Getter_(mthis) => Blink_JsNative_DomException.getProperty(mthis /* Location */, "hash");
+  hash_Getter_(mthis) native "Blink_Getter_Location_hash";
 
-  hash_Setter_(mthis, __arg_0) => Blink_JsNative_DomException.setProperty(mthis /* Location */, "hash", __arg_0);
+  hash_Setter_(mthis, __arg_0) native "Blink_Setter_Location_hash";
 
   host_Getter_(mthis) => Blink_JsNative_DomException.getProperty(mthis /* Location */, "host");