DevTools: [CodeMirror] show native copy/paste/cut items in editor context menu

Source/devtools/front_end/source_frame/CodeMirrorTextEditor.js

Index: Source/devtools/front_end/source_frame/CodeMirrorTextEditor.js
diff --git a/Source/devtools/front_end/source_frame/CodeMirrorTextEditor.js b/Source/devtools/front_end/source_frame/CodeMirrorTextEditor.js
index 1557c3c9406f09c1f5cf83d13afbf7d0fb9572da..c467285930105afd22c95eb8442fcdd5669b8a73 100644
--- a/Source/devtools/front_end/source_frame/CodeMirrorTextEditor.js
+++ b/Source/devtools/front_end/source_frame/CodeMirrorTextEditor.js
@@ -139,7 +139,7 @@ WebInspector.CodeMirrorTextEditor = function(url, delegate)
     this._codeMirror.on("beforeSelectionChange", this._beforeSelectionChange.bind(this));
     this._codeMirror.on("scroll", this._scroll.bind(this));
     this._codeMirror.on("focus", this._focus.bind(this));
-    this._codeMirror.on("contextmenu", this._contextMenu.bind(this));
+    this.element.addEventListener("contextmenu", this._contextMenu.bind(this), false);
     /**
      * @this {WebInspector.CodeMirrorTextEditor}
      */
@@ -721,7 +721,7 @@ WebInspector.CodeMirrorTextEditor.prototype = {
         this.dispatchEventToListeners(WebInspector.TextEditor.Events.GutterClick, { lineNumber: lineNumber, event: event });
     },
 
-    _contextMenu: function(codeMirror, event)
+    _contextMenu: function(event)
     {
         var contextMenu = new WebInspector.ContextMenu(event);
         var target = event.target.enclosingNodeOrSelfWithClass("CodeMirror-gutter-elt");