DevTools: [CodeMirror] roll CodeMirror to @e0b0e32ed

Source/devtools/front_end/CodeMirrorTextEditor.js

 /*
  * Copyright (C) 2012 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 117 matching lines @@
     };
 
     WebInspector.settings.textEditorIndent.addChangeListener(this._updateEditorIndentation, this);
     this._updateEditorIndentation();
     WebInspector.settings.showWhitespacesInEditor.addChangeListener(this._updateCodeMirrorMode, this);
 
     this._codeMirror.setOption("keyMap", WebInspector.isMac() ? "devtools-mac" : "devtools-pc");
     this._codeMirror.setOption("flattenSpans", false);
     this._codeMirror.setOption("maxHighlightLength", 1000);
     this._codeMirror.setOption("mode", null);
+    this._codeMirror.setOption("crudeMeasuringFrom", 1000);
 
     this._shouldClearHistory = true;
     this._lineSeparator = "\n";
 
     this._tokenHighlighter = new WebInspector.CodeMirrorTextEditor.TokenHighlighter(this._codeMirror);
     this._blockIndentController = new WebInspector.CodeMirrorTextEditor.BlockIndentController(this._codeMirror);
     this._fixWordMovement = new WebInspector.CodeMirrorTextEditor.FixWordMovement(this._codeMirror);
     this._autocompleteController = new WebInspector.CodeMirrorTextEditor.AutocompleteController(this, this._codeMirror);
 
     this._codeMirror.on("change", this._change.bind(this));
@@ skipping 1403 matching lines @@
      * @param {number} line
      * @param {number} column
      * @return {AnchorBox}
      */
     _anchorBoxForPosition: function(line, column)
     {
         var metrics = this._textEditor.cursorPositionToCoordinates(line, column);
         return metrics ? new AnchorBox(metrics.x, metrics.y, 0, metrics.height) : null;
     },
 }