Replace old with new synthetic gesture framework.

tools/telemetry/telemetry/page/actions/scroll.js

 // Copyright (c) 2012 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.
 
 // This file provides the ScrollAction object, which scrolls a page
 // from top to bottom:
 //   1. var action = new __ScrollAction(callback)
 //   2. action.start(scroll_options)
 'use strict';
 
 (function() {
   var MAX_SCROLL_LENGTH_PIXELS = 5000;
 
   function ScrollGestureOptions(opt_options) {
     if (opt_options) {
       this.element_ = opt_options.element;
       this.left_start_percentage_ = opt_options.left_start_percentage;
       this.top_start_percentage_ = opt_options.top_start_percentage;
+      this.gesture_source_type = opt_options.gesture_source_type;
     } else {
       this.element_ = document.body;
       this.left_start_percentage_ = 0.5;
       this.top_start_percentage_ = 0.5;
+      this.gesture_source_type = chrome.gpuBenchmarking.DEFAULT_INPUT;
     }
   }
 
   function supportedByBrowser() {
     return !!(window.chrome &&
               chrome.gpuBenchmarking &&
               chrome.gpuBenchmarking.smoothScrollBy);
   }
 
   /**
@@ skipping 33 matching lines @@
   SmoothScrollDownGesture.prototype.start = function(distance, callback) {
     this.callback_ = callback;
 
     var rect = getBoundingVisibleRect(this.options_.element_);
     var start_left =
         rect.left + rect.width * this.options_.left_start_percentage_;
     var start_top =
         rect.top + rect.height * this.options_.top_start_percentage_;
     chrome.gpuBenchmarking.smoothScrollBy(distance, function() {
       callback();
-    }, start_left, start_top);
+    }, start_left, start_top, this.options_.gesture_source_type);
   };
 
   // This class scrolls a page from the top to the bottom once.
   //
   // The page is scrolled down by a single scroll gesture.
   function ScrollAction(opt_callback, opt_remaining_distance_func) {
     var self = this;
 
     this.beginMeasuringHook = function() {}
     this.endMeasuringHook = function() {}
@@ skipping 44 matching lines @@
 
     // We're done.
     if (this.callback_)
       this.callback_();
   };
 
   window.__ScrollAction = ScrollAction;
   window.__ScrollAction_GetBoundingVisibleRect = getBoundingVisibleRect;
   window.__ScrollAction_SupportedByBrowser = supportedByBrowser;
 })();