Reject the permissionState promise with NotSupported Exception (1/3)

public/platform/modules/push_messaging/WebPushProvider.h

Index: public/platform/modules/push_messaging/WebPushProvider.h
diff --git a/public/platform/modules/push_messaging/WebPushProvider.h b/public/platform/modules/push_messaging/WebPushProvider.h
index 47fe52241424ddfffb68fcbdcd3df70796f465f8..07ed3d1bd1759d1fe48d3d0e0172542508c405df 100644
--- a/public/platform/modules/push_messaging/WebPushProvider.h
+++ b/public/platform/modules/push_messaging/WebPushProvider.h
@@ -16,9 +16,21 @@ struct WebPushSubscription;
 struct WebPushSubscriptionOptions;
 
 using WebPushSubscriptionCallbacks = WebCallbacks<WebPushSubscription, WebPushError>;
-using WebPushPermissionStatusCallbacks = WebCallbacks<WebPushPermissionStatus, void>;
+using WebPushPermissionStatusCallbacksOriginal = WebCallbacks<WebPushPermissionStatus, WebPushError>;
 using WebPushUnsubscribeCallbacks = WebCallbacks<bool, WebPushError>;
 
+// TODO(miguelg): Remove this and rename WebPushPermissionStatusCallbacksOriginal to WebPushPermissionStatusCallbacks
+// once blinks rolls into chrome and the embedder is fixed to use onError(WebPushError*)
+class WebPushPermissionStatusCallbacks : public WebPushPermissionStatusCallbacksOriginal {
+public:
+    // This method is obsolete and replacedby onError(WebPushError*)
+    virtual void onError() = 0;
+
+    // WebPushPermissionStatusCallbacksOriginal:
+    virtual void onSuccess(WebPushPermissionStatus*) = 0;
+    virtual void onError(WebPushError*) = 0;
+};
+
 class WebPushProvider {
 public:
     virtual ~WebPushProvider() { }