Create ActionRunner wrapper API over TapAction and ClickElementAction.

tools/perf/page_sets/key_silk_cases.py

Index: tools/perf/page_sets/key_silk_cases.py
diff --git a/tools/perf/page_sets/key_silk_cases.py b/tools/perf/page_sets/key_silk_cases.py
index 4b0920ff3c893823372805ed10adc32aee78431c..af2c737dafbd263afbeed97465e7151a44dadce5 100644
--- a/tools/perf/page_sets/key_silk_cases.py
+++ b/tools/perf/page_sets/key_silk_cases.py
@@ -364,11 +364,11 @@ class Page18(KeySilkCasesPage):
       self.ToggleDrawer(action_runner)
 
   def ToggleDrawer(self, action_runner):
-    action_runner.RunAction(TapAction(
-      {
-        'selector': '#menu-button',
-        'wait_after' : {'seconds': 1}
-      }))
+    interaction = action_runner.BeginInteraction(
+        'Action_TapAction', is_smooth=True)
+    action_runner.TapElement('#menu-button')
+    action_runner.Wait(1)
+    interaction.End()
 
 
 class Page19(KeySilkCasesPage):
@@ -379,10 +379,11 @@ class Page19(KeySilkCasesPage):
       page_set=page_set)
 
   def ToggleDrawer(self, action_runner):
-    action_runner.RunAction(TapAction(
-      {
-        'selector': '#menu-button'
-      }))
+    interaction = action_runner.BeginInteraction(

[nednguyen, 2014/06/10 22:48:58]

May be we should have a BeginGestureInteraction that auto-appends Gesture
prefix? 
Figuring out why Gesture_... works but Action_... doesn't work might be a
debugging nightmare, I think.

[chrishenry, 2014/06/10 23:22:50]

Done.

+        'Gesture_TapAction', is_smooth=True)
+    action_runner.TapElement('#menu-button')
+    interaction.End()
+
     interaction = action_runner.BeginInteraction('Wait', is_smooth=True)
     action_runner.WaitForJavaScriptCondition(
         'document.getElementById("nav-drawer").active')
@@ -456,14 +457,12 @@ class Page21(KeySilkCasesPage):
 
   def ExpandKnowledgeCard(self, action_runner):
     # expand card
-    action_runner.RunAction(TapAction(
-      {
-        'element_function': '''
-          function(callback) {
-            callback(document.getElementsByClassName("vk_arc")[0]);
-          }''',
-        'wait_after': {'seconds': 2}
-      }))
+    interaction = action_runner.BeginInteraction(
+        'Action_TapAction', is_smooth=True)
+    action_runner.TapElement(
+        element_function='document.getElementsByClassName("vk_arc")[0]')
+    action_runner.Wait(2)
+    interaction.End()
 
 
   def RunNavigateSteps(self, action_runner):