Suggest tags based on existing ones. Display existing tags in the drive.

www/common/sframe-common.js

@@ -235,17 +235,20 @@ define([
         });
     };
 
-    funcs.getPadAttribute = function (key, cb) {
+    // href is optional here: if not provided, we use the href of the current tab
+    funcs.getPadAttribute = function (key, cb, href) {
         ctx.sframeChan.query('Q_GET_PAD_ATTRIBUTE', {
-            key: key
+            key: key,
+            href: href
         }, function (err, res) {
             cb (err || res.error, res.data);
         });
     };
-    funcs.setPadAttribute = function (key, value, cb) {
+    funcs.setPadAttribute = function (key, value, cb, href) {
         cb = cb || $.noop;
         ctx.sframeChan.query('Q_SET_PAD_ATTRIBUTE', {
             key: key,
+            href: href,
             value: value
         }, cb);
     };