DevTools: [CodeMirror] roll CodeMirror to version @e20d175

Source/devtools/front_end/cm/markselection.js

+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: http://codemirror.net/LICENSE
+
 // Because sometimes you need to mark the selected *text*.
 //
 // Adds an option 'styleSelectedText' which, when enabled, gives
 // selected text the CSS class given as option value, or
 // "CodeMirror-selectedtext" when the value is not a string.
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
     mod(require("../../lib/codemirror"));
   else if (typeof define == "function" && define.amd) // AMD
@@ skipping 95 matching lines @@
     if (cmp(to, coverEnd.to) > 0) {
       if (to.line - coverEnd.from.line < CHUNK_SIZE) {
         array.pop().clear();
         coverRange(cm, coverEnd.from, to);
       } else {
         coverRange(cm, coverEnd.to, to);
       }
     }
   }
 });