DevTools: Code fixes for the Closure compiler roll

Source/devtools/front_end/source_frame/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 228 matching lines @@
 
 CodeMirror.commands.redoAndReveal = function(codemirror)
 {
     var scrollInfo = codemirror.getScrollInfo();
     codemirror.execCommand("redo");
     var cursor = codemirror.getCursor("start");
     codemirror._codeMirrorTextEditor._innerRevealLine(cursor.line, scrollInfo);
     codemirror._codeMirrorTextEditor._autocompleteController.finishAutocomplete();
 }
 
+/**
+ * @return {!Object|undefined}
+ */
 CodeMirror.commands.dismissMultipleSelections = function(codemirror)
 {
     var selections = codemirror.listSelections();
     var selection = selections[0];
     if (selections.length === 1) {
         if (codemirror._codeMirrorTextEditor._isSearchActive())
             return CodeMirror.Pass;
         if (WebInspector.CodeMirrorUtils.toRange(selection.anchor, selection.head).isEmpty())
             return CodeMirror.Pass;
         codemirror.setSelection(selection.anchor, selection.anchor, {scroll: false});
@@ skipping 1865 matching lines @@
     var backgroundColorRule = backgroundColor ? ".CodeMirror .CodeMirror-selected { background-color: " + backgroundColor + ";}" : "";
     var foregroundColor = InspectorFrontendHost.getSelectionForegroundColor();
     var foregroundColorRule = foregroundColor ? ".CodeMirror .CodeMirror-selectedtext:not(.CodeMirror-persist-highlight) { color: " + foregroundColor + "!important;}" : "";
     if (!foregroundColorRule && !backgroundColorRule)
         return;
 
     var style = document.createElement("style");
     style.textContent = backgroundColorRule + foregroundColorRule;
     document.head.appendChild(style);
 })();