Telemetry: Add speed parameters to swipe and scroll actions.

tools/telemetry/telemetry/page/actions/swipe.py

 # Copyright 2013 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.
 import os
 
 from telemetry.page.actions import gesture_action
 from telemetry.page.actions import page_action
 
 class SwipeAction(gesture_action.GestureAction):
   def __init__(self, attributes=None):
@@ skipping 18 matching lines @@
     tab.ExecuteJavaScript("""
         window.__swipeActionDone = false;
         window.__swipeAction = new __SwipeAction(%s);"""
         % (done_callback))
 
   def RunGesture(self, page, tab, previous_action):
     left_start_percentage = 0.5
     top_start_percentage = 0.5
     direction = 'left'
     distance = 100
+    speed = 800
     if hasattr(self, 'left_start_percentage'):
       left_start_percentage = self.left_start_percentage
     if hasattr(self, 'top_start_percentage'):
       top_start_percentage = self.top_start_percentage
     if hasattr(self, 'direction'):
       direction = self.direction
       if direction not in ['down', 'up', 'left', 'right']:
         raise page_action.PageActionNotSupported(
             'Invalid swipe direction: %s' % direction)
     if hasattr(self, 'distance'):
       distance = self.distance
+    if hasattr(self, 'speed'):
+      speed = self.speed
     if hasattr(self, 'element_function'):
       tab.ExecuteJavaScript("""
           (%s)(function(element) { window.__swipeAction.start(
              { element: element,
                left_start_percentage: %s,
                top_start_percentage: %s,
                direction: '%s',
-               distance: %s })
+               distance: %s,
+               speed: %s })
              });""" % (self.element_function,
                        left_start_percentage,
                        top_start_percentage,
                        direction,
-                       distance))
+                       distance,
+                       speed))
     else:
       tab.ExecuteJavaScript("""
           window.__swipeAction.start(
           { element: document.body,
             left_start_percentage: %s,
             top_start_percentage: %s,
             direction: '%s',
-            distance: %s });"""
+            distance: %s,
+            speed: %s });"""
         % (left_start_percentage,
            top_start_percentage,
            direction,
-           distance))
+           distance,
+           speed))
 
     tab.WaitForJavaScriptExpression('window.__swipeActionDone', 60)
 
   def CanBeBound(self):
     return True
 
   def BindMeasurementJavaScript(self, tab, start_js, stop_js):
     # Make the swipe action start and stop measurement automatically.
     tab.ExecuteJavaScript("""
         window.__swipeAction.beginMeasuringHook = function() { %s };
         window.__swipeAction.endMeasuringHook = function() { %s };
     """ % (start_js, stop_js))