Port all classes with inheritance to class framework

All classes that have at least one other derived class (and thus
benefit from the framework) have been now ported. These includes
NMDevice, SearchProvider, AltTab.SwitcherList, and some other
stuff around.

https://bugzilla.gnome.org/show_bug.cgi?id=664436

js/ui/altTab.js

@@ -542,11 +542,9 @@ AltTabPopup.prototype = {
     }
 };
 
-function SwitcherList(squareItems) {
-    this._init(squareItems);
-}
+const SwitcherList = new Lang.Class({
+    Name: 'SwitcherList',
 
-SwitcherList.prototype = {
     _init : function(squareItems) {
         this.actor = new Shell.GenericContainer({ style_class: 'switcher-list' });
         this.actor.connect('get-preferred-width', Lang.bind(this, this._getPreferredWidth));
@@ -851,7 +849,7 @@ SwitcherList.prototype = {
         // Clip the area for scrolling
         this._clipBin.set_clip(0, -topPadding, (this.actor.allocation.x2 - this.actor.allocation.x1) - leftPadding - rightPadding, this.actor.height + bottomPadding);
     }
-};
+});
 
 Signals.addSignalMethods(SwitcherList.prototype);
 
@@ -879,15 +877,12 @@ AppIcon.prototype = {
     }
 };
 
-function AppSwitcher() {
-    this._init.apply(this, arguments);
-}
-
-AppSwitcher.prototype = {
-    __proto__ : SwitcherList.prototype,
+const AppSwitcher = new Lang.Class({
+    Name: 'AppSwitcher',
+    Extends: SwitcherList,
 
     _init : function(localApps, otherApps, altTabPopup) {
-        SwitcherList.prototype._init.call(this, true);
+        this.parent(true);
 
         // Construct the AppIcons, add to the popup
         let activeWorkspace = global.screen.get_active_workspace();
@@ -966,7 +961,7 @@ AppSwitcher.prototype = {
 
     _allocate: function (actor, box, flags) {
         // Allocate the main list items
-        SwitcherList.prototype._allocate.call(this, actor, box, flags);
+        this.parent(actor, box, flags);
 
         let arrowHeight = Math.floor(this.actor.get_theme_node().get_padding(St.Side.BOTTOM) / 3);
         let arrowWidth = arrowHeight * 2;
@@ -1021,7 +1016,7 @@ AppSwitcher.prototype = {
                 this._arrows[this._curApp].remove_style_pseudo_class('highlighted');
         }
 
-        SwitcherList.prototype.highlight.call(this, n, justOutline);
+        this.parent(n, justOutline);
         this._curApp = n;
 
         if (this._curApp != -1) {
@@ -1045,17 +1040,14 @@ AppSwitcher.prototype = {
         if (appIcon.cachedWindows.length == 1)
             arrow.hide();
     }
-};
+});
 
-function ThumbnailList(windows) {
-    this._init(windows);
-}
-
-ThumbnailList.prototype = {
-    __proto__ : SwitcherList.prototype,
+const ThumbnailList = new Lang.Class({
+    Name: 'ThumbnailList',
+    Extends: SwitcherList,
 
     _init : function(windows) {
-        SwitcherList.prototype._init.call(this);
+        this.parent(false);
 
         let activeWorkspace = global.screen.get_active_workspace();
 
@@ -1133,7 +1125,7 @@ ThumbnailList.prototype = {
         // Make sure we only do this once
         this._thumbnailBins = new Array();
     }
-};
+});
 
 function _drawArrow(area, side) {
     let themeNode = area.get_theme_node();