[DevTools] Inject element into toolbox window, do not load modules there.

Source/devtools/front_end/ui/ContextMenu.js

Index: Source/devtools/front_end/ui/ContextMenu.js
diff --git a/Source/devtools/front_end/ui/ContextMenu.js b/Source/devtools/front_end/ui/ContextMenu.js
index 10552e35d50629b33e760ffe5381632e67894755..893cbc8dd2acd6023636a752c6e4b2c8b31d3884 100644
--- a/Source/devtools/front_end/ui/ContextMenu.js
+++ b/Source/devtools/front_end/ui/ContextMenu.js
@@ -295,7 +295,7 @@ WebInspector.ContextMenu.prototype = {
             var softMenu = new WebInspector.SoftContextMenu(menuObject, this._itemSelected.bind(this));
             softMenu.show(this._event.target.ownerDocument, this._x, this._y);
         } else {
-            InspectorFrontendHost.showContextMenuAtPoint(this._x, this._y, menuObject);
+            InspectorFrontendHost.showContextMenuAtPoint(this._x, this._y, menuObject, this._event.target.ownerDocument);
             InspectorFrontendHost.events.addEventListener(InspectorFrontendHostAPI.Events.ContextMenuCleared, this._menuCleared, this);
             InspectorFrontendHost.events.addEventListener(InspectorFrontendHostAPI.Events.ContextMenuItemSelected, this._onItemSelected, this);
         }