DevTools: [Elements] Implement shortcut-based node cut-copy-pasting

Source/devtools/front_end/main/Main.js

Index: Source/devtools/front_end/main/Main.js
diff --git a/Source/devtools/front_end/main/Main.js b/Source/devtools/front_end/main/Main.js
index 0f214aada19e926bf9fdea7d22e7319e19818ab1..809d6623956ecf5ca8a9aa28de6c350bc061320b 100644
--- a/Source/devtools/front_end/main/Main.js
+++ b/Source/devtools/front_end/main/Main.js
@@ -529,14 +529,30 @@ WebInspector.Main.prototype = {
 
     _documentCanCopy: function(event)
     {
-        if (WebInspector.inspectorView.currentPanel() && WebInspector.inspectorView.currentPanel()["handleCopyEvent"])
+        var panel = WebInspector.inspectorView.currentPanel();
+        if (panel && panel["handleCopyEvent"])
             event.preventDefault();
     },
 
     _documentCopy: function(event)
     {
-        if (WebInspector.inspectorView.currentPanel() && WebInspector.inspectorView.currentPanel()["handleCopyEvent"])
-            WebInspector.inspectorView.currentPanel()["handleCopyEvent"](event);
+        var panel = WebInspector.inspectorView.currentPanel();
+        if (panel && panel["handleCopyEvent"])
+            panel["handleCopyEvent"](event);
+    },
+
+    _documentCut: function(event)
+    {
+        var panel = WebInspector.inspectorView.currentPanel();
+        if (panel && panel["handleCutEvent"])
+            panel["handleCutEvent"](event);
+    },
+
+    _documentPaste: function(event)
+    {
+        var panel = WebInspector.inspectorView.currentPanel();
+        if (panel && panel["handlePasteEvent"])
+            panel["handlePasteEvent"](event);
     },
 
     _contextMenuEventFired: function(event)
@@ -550,6 +566,8 @@ WebInspector.Main.prototype = {
         doc.addEventListener("keydown", this._postDocumentKeyDown.bind(this), false);
         doc.addEventListener("beforecopy", this._documentCanCopy.bind(this), true);
         doc.addEventListener("copy", this._documentCopy.bind(this), false);
+        doc.addEventListener("cut", this._documentCut.bind(this), false);
+        doc.addEventListener("paste", this._documentPaste.bind(this), false);
         doc.addEventListener("contextmenu", this._contextMenuEventFired.bind(this), true);
         doc.addEventListener("click", this._documentClick.bind(this), false);
     },