updated all the 'offline' to include Chrome

demos.json

@@ -176,7 +176,7 @@
     "tags": "offline events",
     "note": "Works on Safari Mobile too",
     "support": {
-      "live": "firefox opera"
+      "live": "firefox opera chrome"
     }
   },
   {
@@ -185,7 +185,7 @@
     "tags": "offline",
     "note": "Doesn't use events, only polls",
     "support": {
-      "live": "firefox opera ie"
+      "live": "firefox opera ie chrome"
     }
   },
   {
@@ -194,7 +194,7 @@
     "notes": "Opera & Firefox - requires \"Work Offline\"",
     "tags": "offline events",
     "support": {
-      "live": "firefox opera"
+      "live": "firefox opera chrome"
     }
   },
   {