DevTools: remove old Timeline front-end implementation

Source/devtools/front_end/timeline/TimelineModel.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 539 matching lines @@
     accept: function(record)
     {
         return !!this._recordTypes[record.type()];
     },
 
     __proto__: WebInspector.TimelineRecordTypeFilter.prototype
 }
 
 /**
  * @constructor
- */
-WebInspector.TimelineMergingRecordBuffer = function()
-{
-    this._backgroundRecordsBuffer = [];
-}
-
-/**
- * @constructor
- */
-WebInspector.TimelineMergingRecordBuffer.prototype = {
-    /**
-     * @param {string} thread
-     * @param {!Array.<!WebInspector.TimelineModel.Record>} records
-     * @return {!Array.<!WebInspector.TimelineModel.Record>}
-     */
-    process: function(thread, records)
-    {
-        if (thread !== WebInspector.TimelineModel.MainThreadName) {
-            this._backgroundRecordsBuffer = this._backgroundRecordsBuffer.concat(records);
-            return [];
-        }
-        /**
-         * @param {!WebInspector.TimelineModel.Record} a
-         * @param {!WebInspector.TimelineModel.Record} b
-         */
-        function recordTimestampComparator(a, b)
-        {
-            // Never return 0, as the merge function will squash identical entries.
-            return a.startTime() < b.startTime() ? -1 : 1;
-        }
-        var result = this._backgroundRecordsBuffer.mergeOrdered(records, recordTimestampComparator);
-        this._backgroundRecordsBuffer = [];
-        return result;
-    }
-}
-
-/**
- * @constructor
  * @implements {WebInspector.OutputStreamDelegate}
  * @param {!WebInspector.TimelineModel} model
  * @param {!WebInspector.Progress} progress
  */
 WebInspector.TimelineModelLoadFromFileDelegate = function(model, progress)
 {
     this._model = model;
     this._progress = progress;
 }
 
@@ skipping 42 matching lines @@
         case FileError.NOT_READABLE_ERR:
             WebInspector.console.error(WebInspector.UIString("File \"%s\" is not readable", reader.fileName()));
             break;
         case FileError.ABORT_ERR:
             break;
         default:
             WebInspector.console.error(WebInspector.UIString("An error occurred while reading the file \"%s\"", reader.fileName()));
         }
     }
 }