DevTools: reformat front-end code to match chromium style.

third_party/WebKit/Source/devtools/front_end/sources/RevisionHistoryView.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 188 matching lines @@
 
     this._revertElement = createElement("span");
     this._revertElement.className = "revision-history-link";
     this._revertElement.textContent = WebInspector.UIString("apply revision content");
     this._revertElement.addEventListener("click", event => {this._revision.revertToThis();}, false);
     if (!allowRevert)
         this._revertElement.classList.add("hidden");
 };
 
 WebInspector.RevisionHistoryTreeElement.prototype = {
+    /**
+     * @override
+     */
     onattach: function()
     {
         this.listItemElement.classList.add("revision-history-revision");
     },
 
+    /**
+     * @override
+     */
     onpopulate: function()
     {
         this.listItemElement.appendChild(this._revertElement);
 
         this.childrenListElement.classList.add("source-code");
         Promise.all([
             this._baseRevision ? this._baseRevision.requestContent() : this._revision.uiSourceCode.requestOriginalContent(),
             this._revision.requestContent()
         ]).spread(diff.bind(this));
 
@@ skipping 28 matching lines @@
                 } else if (code === WebInspector.Diff.Operation.Insert) {
                     lastWasSeparator = false;
                     for (var i = 0; i < rowCount; ++i)
                         this._createLine(null, newLineNumber + i, newLines[newLineNumber + i], "added");
                     newLineNumber += rowCount;
                 }
             }
         }
     },
 
+    /**
+     * @override
+     */
     oncollapse: function()
     {
         this._revertElement.remove();
     },
 
     /**
      * @param {?number} baseLineNumber
      * @param {?number} newLineNumber
      * @param {string} lineContent
      * @param {string} changeType
@@ skipping 23 matching lines @@
         contentSpan.classList.add("revision-history-line-" + changeType);
     },
 
     allowRevert: function()
     {
         this._revertElement.classList.remove("hidden");
     },
 
     __proto__: TreeElement.prototype
 };