DevTools: open context menu in the embedder even when no custom items are 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 1dc4a62a06074eb90f1d02daba54aeee730acd55..10552e35d50629b33e760ffe5381632e67894755 100644
--- a/Source/devtools/front_end/ui/ContextMenu.js
+++ b/Source/devtools/front_end/ui/ContextMenu.js
@@ -290,16 +290,14 @@ WebInspector.ContextMenu.prototype = {
     {
         var menuObject = this._buildDescriptor();
 
-        if (menuObject.length) {
-            WebInspector._contextMenu = this;
-            if (WebInspector.ContextMenu._useSoftMenu || InspectorFrontendHost.isHostedMode()) {
-                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.events.addEventListener(InspectorFrontendHostAPI.Events.ContextMenuCleared, this._menuCleared, this);
-                InspectorFrontendHost.events.addEventListener(InspectorFrontendHostAPI.Events.ContextMenuItemSelected, this._onItemSelected, this);
-            }
+        WebInspector._contextMenu = this;
+        if (WebInspector.ContextMenu._useSoftMenu || InspectorFrontendHost.isHostedMode()) {
+            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.events.addEventListener(InspectorFrontendHostAPI.Events.ContextMenuCleared, this._menuCleared, this);
+            InspectorFrontendHost.events.addEventListener(InspectorFrontendHostAPI.Events.ContextMenuItemSelected, this._onItemSelected, this);
         }
     },