Bug 1215965 - Remove use of non-standard features from toolkit/components/social/SocialService.jsm. r=mixedpuppy

--HG--
extra : commitid : JmV9F7hd3C
extra : rebase_source : 51e5ce38105a0ccd3eaf5565314af3403c80cc16
extra : amend_source : 5681fd3aab1d475e6b9ce822622a51acea623c24

toolkit/components/social/SocialService.jsm

@@ -39,9 +39,9 @@ var SocialServiceInternal = {
   },
 
   get providerArray() {
-    return [p for ([, p] of Iterator(this.providers))];
+    return Object.keys(this.providers).map(origin => this.providers[origin]);
   },
-  get manifests() {
+  *manifestsGenerator() {
     // Retrieve the manifests of installed providers from prefs
     let MANIFEST_PREFS = Services.prefs.getBranch("social.manifest.");
     let prefs = MANIFEST_PREFS.getChildList("", []);
@@ -59,6 +59,9 @@ var SocialServiceInternal = {
       }
     }
   },
+  get manifests() {
+    return this.manifestsGenerator();
+  },
   getManifestPrefname: function(origin) {
     // Retrieve the prefname for a given origin/manifest.
     // If no existing pref, return a generated prefname.
@@ -96,13 +99,13 @@ var SocialServiceInternal = {
       p.frecency = 0;
       providers[p.domain] = p;
       hosts.push(p.domain);
-    };
+    }
 
     // cannot bind an array to stmt.params so we have to build the string
     let stmt = PlacesUtils.history.QueryInterface(Ci.nsPIPlacesDatabase)
                                  .DBConnection.createAsyncStatement(
       "SELECT host, frecency FROM moz_hosts WHERE host IN (" +
-      [ '"' + host + '"' for each (host in hosts) ].join(",") + ") "
+      hosts.map(host => '"' + host + '"').join(",") + ") "
     );
 
     try {
@@ -361,7 +364,7 @@ this.SocialService = {
     // not yet flushed so we check the active providers array
     for (let p in ActiveProviders._providers) {
       return true;
-    };
+    }
     return false;
   },
   get enabled() {
@@ -519,7 +522,7 @@ this.SocialService = {
     data.origin = principal.origin;
 
     // iconURL and name are required
-    let providerHasFeatures = [url for (url of featureURLs) if (data[url])].length > 0;
+    let providerHasFeatures = featureURLs.some(url => data[url]);
     if (!providerHasFeatures) {
       Cu.reportError("SocialService.manifestFromData manifest missing required urls.");
       return null;
@@ -948,7 +951,7 @@ SocialProvider.prototype = {
       return null;
     }
   }
-}
+};
 
 function getAddonIDFromOrigin(origin) {
   let originUri = Services.io.newURI(origin, null, null);
@@ -988,10 +991,10 @@ function AddonInstaller(sourceURI, aManifest, installCallback) {
     installCallback(aManifest);
   };
   this.cancel = function() {
-    Services.prefs.clearUserPref(getPrefnameFromOrigin(aManifest.origin))
-  },
+    Services.prefs.clearUserPref(getPrefnameFromOrigin(aManifest.origin));
+  };
   this.addon = new AddonWrapper(aManifest);
-};
+}
 
 var SocialAddonProvider = {
   startup: function() {},
@@ -1029,7 +1032,7 @@ var SocialAddonProvider = {
       aCallback([]);
       return;
     }
-    aCallback([new AddonWrapper(a) for each (a in SocialServiceInternal.manifests)]);
+    aCallback([...SocialServiceInternal.manifests].map(a => new AddonWrapper(a)));
   },
 
   removeAddon: function(aAddon, aCallback) {
@@ -1042,7 +1045,7 @@ var SocialAddonProvider = {
     if (aCallback)
       schedule(aCallback);
   }
-}
+};
 
 
 function AddonWrapper(aManifest) {