DevTools: Fix profiler private field accesses.

third_party/WebKit/Source/devtools/front_end/profiler/CPUProfileFlameChart.js

 /**
  * Copyright (C) 2014 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 15 matching lines @@
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 /**
  * @implements {UI.FlameChartDataProvider}
  * @unrestricted
  */
 Profiler.ProfileFlameChartDataProvider = class {
-  /**
-   * @param {?SDK.Target} target
-   */
-  constructor(target) {
+  constructor() {
     UI.FlameChartDataProvider.call(this);
-    this._target = target;
     this._colorGenerator = Profiler.ProfileFlameChartDataProvider.colorGenerator();
   }
 
   /**
    * @return {!UI.FlameChart.ColorGenerator}
    */
   static colorGenerator() {
     if (!Profiler.ProfileFlameChartDataProvider._colorGenerator) {
       var colorGenerator = new UI.FlameChart.ColorGenerator(
           {min: 30, max: 330}, {min: 50, max: 80, count: 5}, {min: 80, max: 90, count: 3});
@@ skipping 540 matching lines @@
    * @param {number} height
    */
   _resetCanvas(width, height) {
     var ratio = window.devicePixelRatio;
     this._overviewCanvas.width = width * ratio;
     this._overviewCanvas.height = height * ratio;
     this._overviewCanvas.style.width = width + 'px';
     this._overviewCanvas.style.height = height + 'px';
   }
 };