[DevTools] Remove functionDetails from protocol.json

third_party/WebKit/Source/devtools/front_end/sources/SourceMapNamesResolver.js

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 WebInspector.SourceMapNamesResolver = {};
 
 WebInspector.SourceMapNamesResolver._cachedMapSymbol = Symbol("cache");
 WebInspector.SourceMapNamesResolver._cachedIdentifiersSymbol = Symbol("cachedIdentifiers");
 
 /**
@@ skipping 555 matching lines @@
 
     /**
      * @override
      * @return {boolean}
      */
     isNode: function()
     {
         return this._object.isNode();
     },
 
-    /**
-     * @override
-     * @param {function(?WebInspector.DebuggerModel.FunctionDetails)} callback
-     */
-    functionDetails: function(callback)
-    {
-        this._object.functionDetails(callback);
-    },
-
     __proto__: WebInspector.RemoteObject.prototype
 }