Add SwipePage/SwipeElement API to action_runner, wrapping over

tools/perf/page_sets/key_silk_cases.py

 # Copyright 2014 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.
 # pylint: disable=W0401,W0614
 from telemetry.page.actions.all_page_actions import *
 from telemetry.page import page as page_module
 from telemetry.page import page_set as page_set_module
 
 
 class KeySilkCasesPage(page_module.Page):
@@ skipping 265 matching lines @@
   def __init__(self, page_set):
     super(Page16, self).__init__(
       url='file://key_silk_cases/inbox_app.html?swipe_to_dismiss',
       page_set=page_set)
 
   def RunNavigateSteps(self, action_runner):
     action_runner.NavigateToPage(self)
     action_runner.Wait(2)
 
   def SwipeToDismiss(self, action_runner):
-    action_runner.RunAction(SwipeAction(
-      {
-        'left_start_percentage': 0.8,
-        'distance': 200,
-        'direction': 'left',
-        'top_start_percentage': 0.2,
-        'element_function': '''
-          function(callback) {
-            callback(document.getElementsByClassName('message')[2]);
-          }''',
-        'speed': 5000
-      }))
+    interaction = action_runner.BeginInteraction(
+        'Gesture_SwipeAction', is_smooth=True)
+    action_runner.SwipeElement(
+        left_start_percentage=0.8, top_start_percentage=0.2,
+        direction='left', distance=200, speed=5000,
+        element_function='document.getElementsByClassName("message")[2]')
+    interaction.End()
     interaction = action_runner.BeginInteraction('Wait', is_smooth=True)
     action_runner.WaitForJavaScriptCondition(
         'document.getElementsByClassName("message").length < 18')
     interaction.End()
 
   def RunSmoothness(self, action_runner):
     self.SwipeToDismiss(action_runner)
 
 
 class Page17(KeySilkCasesPage):
@@ skipping 84 matching lines @@
 
   def RunNavigateSteps(self, action_runner):
     action_runner.NavigateToPage(self)
     action_runner.Wait(2)
     self.ToggleDrawer(action_runner)
 
   def RunSmoothness(self, action_runner):
     self.SlideDrawer(action_runner)
 
   def SlideDrawer(self, action_runner):
-    action_runner.RunAction(SwipeAction(
-      {
-        'left_start_percentage': 0.8,
-        'distance': 200,
-        'direction': 'left',
-        'top_start_percentage': 0.2,
-        'element_function': '''
-          function(callback) {
-            callback(document.getElementById('nav-drawer').children[0]);
-          }''',
-        'wait_after' : {
-          'javascript': '!document.getElementById("nav-drawer").active'
-        }
-      }))
+    interaction = action_runner.BeginInteraction(
+        'Action_SwipeAction', is_smooth=True)
+    action_runner.SwipeElement(
+        left_start_percentage=0.8, top_start_percentage=0.2,
+        direction='left', distance=200,
+        element_function='document.getElementById("nav-drawer").children[0]')
+    action_runner.WaitForJavaScriptCondition(
+        '!document.getElementById("nav-drawer").active')
+    interaction.End()
 
 
 class Page20(KeySilkCasesPage):
 
   """ Why: Shadow DOM infinite scrolling. """
 
   def __init__(self, page_set):
     super(Page20, self).__init__(
       url='file://key_silk_cases/infinite_scrolling.html',
       page_set=page_set)
@@ skipping 133 matching lines @@
       url='http://mobile-news.sandbox.google.com/news/pt0?swipe',
       page_set=page_set)
 
   def RunNavigateSteps(self, action_runner):
     action_runner.NavigateToPage(self)
     action_runner.WaitForJavaScriptCondition(
         'document.getElementById(":h") != null')
     action_runner.Wait(1)
 
   def RunSmoothness(self, action_runner):
-    action_runner.RunAction(SwipeAction(
-      {
-        'distance': 100,
-        'direction': "left",
-        'element_function': '''
-          function(callback) {
-            callback(document.getElementById(':f'));
-          }'''
-      }))
+    interaction = action_runner.BeginInteraction(
+        'Gesture_SwipeAction', is_smooth=True)
+    action_runner.SwipeElement(
+        direction='left', distance=100,
+        element_function='document.getElementById(":f")')
+    interaction.End()
     interaction = action_runner.BeginInteraction('Wait', is_smooth=True)
     action_runner.Wait(1)
     interaction.End()
 
 
 class Page26(KeySilkCasesPage):
 
   """ Why: famo.us twitter demo """
 
   def __init__(self, page_set):
@@ skipping 44 matching lines @@
     self.AddPage(Page17(self))
     self.AddPage(Page18(self))
     self.AddPage(Page19(self))
     self.AddPage(Page20(self))
     self.AddPage(Page21(self))
     self.AddPage(Page22(self))
     self.AddPage(Page23(self))
     self.AddPage(Page24(self))
     self.AddPage(Page25(self))
     self.AddPage(Page26(self))