Timeline: fix a bunch of references to out-of-file privates

third_party/WebKit/Source/devtools/front_end/timeline/TimelineFlameChartView.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.
 
 /**
  * @implements {UI.FlameChartDataProvider}
  * @unrestricted
  */
 Timeline.TimelineFlameChartDataProviderBase = class {
-  /**
-   * @param {!TimelineModel.TimelineModel} model
-   * @param {!Array<!TimelineModel.TimelineModel.Filter>} filters
-   */
-  constructor(model, filters) {
+  constructor() {
     UI.FlameChartDataProvider.call(this);
     this.reset();
-    this._model = model;
-    /** @type {?UI.FlameChart.TimelineData} */
-    this._timelineData;
     this._font = '11px ' + Host.fontFamily();
-    this._filters = filters;
+  }
+
+  /** @return {string} */
+  font() {
+    return this._font;
   }
 
   /**
    * @override
    * @return {number}
    */
   barHeight() {
     return 17;
   }
 
@@ skipping 147 matching lines @@
     return null;
   }
 
   /**
    * @override
    * @return {!UI.FlameChart.TimelineData}
    */
   timelineData() {
     throw new Error('Not implemented');
   }
-
-  /**
-   * @param {!SDK.TracingModel.Event} event
-   * @return {boolean}
-   */
-  _isVisible(event) {
-    return this._filters.every(function(filter) {
-      return filter.accept(event);
-    });
-  }
 };
 
 /**
  * @enum {symbol}
  */
 Timeline.TimelineFlameChartEntryType = {
   Frame: Symbol('Frame'),
   Event: Symbol('Event'),
   InteractionRecord: Symbol('InteractionRecord'),
 };
@@ skipping 273 matching lines @@
 Timeline.TimelineFlameChartView.Selection = class {
   /**
    * @param {!Timeline.TimelineSelection} selection
    * @param {number} entryIndex
    */
   constructor(selection, entryIndex) {
     this.timelineSelection = selection;
     this.entryIndex = entryIndex;
   }
 };