[DevTools] Drop "ui" module from toolbox.

Source/devtools/front_end/main/AdvancedApp.js

Index: Source/devtools/front_end/main/AdvancedApp.js
diff --git a/Source/devtools/front_end/main/AdvancedApp.js b/Source/devtools/front_end/main/AdvancedApp.js
index 303969c00a3c1048dee029cf395301303f42833f..3abe5f9b31e1432b6c2d17c4b5927bd620223aaf 100644
--- a/Source/devtools/front_end/main/AdvancedApp.js
+++ b/Source/devtools/front_end/main/AdvancedApp.js
@@ -45,7 +45,11 @@ WebInspector.AdvancedApp.prototype = {
         this._toggleEmulationButton.element.classList.toggle("warning", !!message);
     },
 
-    presentUI: function()
+    /**
+     * @param {!Document} document
+     * @override
+     */
+    presentUI: function(document)
     {
         var rootView = new WebInspector.RootView();
 
@@ -68,7 +72,7 @@ WebInspector.AdvancedApp.prototype = {
 
         WebInspector.inspectorView.showInitialPanel();
         console.timeStamp("AdvancedApp.attachToBody");
-        rootView.attachToBody();
+        rootView.attachToDocument(document);
         this._inspectedPagePlaceholder.update();
     },
 
@@ -88,15 +92,22 @@ WebInspector.AdvancedApp.prototype = {
     },
 
     /**
-     * @param {!Element} rootElement
+     * @param {!Document} toolboxDocument
      * @override
      */
-    toolboxLoaded: function(rootElement)
+    toolboxLoaded: function(toolboxDocument)
     {
+        WebInspector.initializeUIUtils(toolboxDocument.defaultView);
+        WebInspector.installComponentRootStyles(/** @type {!Element} */ (toolboxDocument.body));
+        WebInspector.ContextMenu.installHandler(toolboxDocument);
+
+        var rootView = new WebInspector.RootView();
         var inspectedPagePlaceholder = new WebInspector.InspectedPagePlaceholder();
         inspectedPagePlaceholder.addEventListener(WebInspector.InspectedPagePlaceholder.Events.Update, this._onSetInspectedPageBounds.bind(this, true));
         this._toolboxResponsiveDesignView = new WebInspector.ResponsiveDesignView(inspectedPagePlaceholder);
-        this._toolboxResponsiveDesignView.show(rootElement);
+        this._toolboxResponsiveDesignView.show(rootView.element);
+        rootView.attachToDocument(toolboxDocument);
+
         this._updatePageResizer();
     },