Revert "Speculative revert by sheriff"

content/child/notifications/notification_data_conversions.cc

Index: content/child/notifications/notification_data_conversions.cc
diff --git a/content/child/notifications/notification_data_conversions.cc b/content/child/notifications/notification_data_conversions.cc
index a1b81289e18b3a034ccc870eb439501dea78cf2e..639e55523088e68b957b92cb54fe7b9f8e00dbe7 100644
--- a/content/child/notifications/notification_data_conversions.cc
+++ b/content/child/notifications/notification_data_conversions.cc
@@ -25,6 +25,7 @@ PlatformNotificationData ToPlatformNotificationData(
   platform_data.tag = base::UTF16ToUTF8(web_data.tag);
   platform_data.icon = GURL(web_data.icon.string());
   platform_data.silent = web_data.silent;
+  platform_data.data.assign(web_data.data.begin(), web_data.data.end());
 
   return platform_data;
 }
@@ -43,6 +44,7 @@ WebNotificationData ToWebNotificationData(
   web_data.tag = blink::WebString::fromUTF8(platform_data.tag);
   web_data.icon = blink::WebURL(platform_data.icon);
   web_data.silent = platform_data.silent;
+  web_data.data = platform_data.data;
 
   return web_data;
 }