Ensure _marker is not null

Author: Marcel Gerber

src/extensions/default/InlineColorEditor/InlineColorEditor.js

@@ -90,7 +90,7 @@ define(function (require, exports, module) {
     InlineColorEditor.prototype.getCurrentRange = function () {
         var pos, start, end;
 
-        pos = this._marker.find();
+        pos = this._marker && this._marker.find();
 
         start = pos && pos.from;
         if (!start) {
@@ -150,8 +150,10 @@ define(function (require, exports, module) {
                     self.hostEditor.setSelection(range.start, range.end); // workaround for #2805
                     self.hostEditor.document.replaceRange(colorString, range.start, range.end, self._origin);
                     self.hostEditor.setSelection(range.start, endPos);
-                    self._marker.clear();
-                    self._marker = self.hostEditor._codeMirror.markText(range.start, endPos);
+                    if (self._marker) {
+                        self._marker.clear();
+                        self._marker = self.hostEditor._codeMirror.markText(range.start, endPos);
+                    }
                 });
                 this._isOwnChange = false;
             }