DevTools: Use open resource dialog for go to line feature in sources panel.

Source/devtools/front_end/GoToLineDialog.js

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 63 matching lines @@
         return false;
     WebInspector.Dialog.show(sourceView.element, new WebInspector.GoToLineDialog(sourceView));
     return true;
 }
 
 /**
  * @return {!WebInspector.KeyboardShortcut.Descriptor}
  */
 WebInspector.GoToLineDialog.createShortcut = function()
 {
-    var isMac = WebInspector.isMac();
-    var shortcut;
     return WebInspector.KeyboardShortcut.makeDescriptor("g", WebInspector.KeyboardShortcut.Modifiers.Ctrl);
 }
 
 WebInspector.GoToLineDialog.prototype = {
     focus: function()
     {
         WebInspector.setCurrentFocusElement(this._input);
         this._input.select();
     },
     
@@ skipping 11 matching lines @@
             this._view.highlightPosition(lineNumber);
     },
     
     onEnter: function()
     {
         this._applyLineNumber();
     },
 
     __proto__: WebInspector.DialogDelegate.prototype
 }