Add ActionRunner wrapper for the remaining less used actions (try 2):

tools/telemetry/telemetry/page/actions/loop_unittest.py

Index: tools/telemetry/telemetry/page/actions/loop_unittest.py
diff --git a/tools/telemetry/telemetry/page/actions/loop_unittest.py b/tools/telemetry/telemetry/page/actions/loop_unittest.py
index 8a6c52dd6178c79359361bf1e41949dd2b77e525..3d8c8f632141566200cb7e0d219008aa9afdcfe2 100644
--- a/tools/telemetry/telemetry/page/actions/loop_unittest.py
+++ b/tools/telemetry/telemetry/page/actions/loop_unittest.py
@@ -21,8 +21,7 @@ class LoopActionTest(tab_test_case.TabTestCase):
   @decorators.Disabled('android')
   def testLoopWithNoSelector(self):
     """Tests that with no selector Loop action loops first media element."""
-    data = {'selector': '#video_1', 'loop_count': 2}
-    action = loop.LoopAction(data)
+    action = loop.LoopAction(loop_count=2, selector='#video_1')
     action.WillRunAction(self._tab)
     action.RunAction(self._tab)
     # Assert only first video has played.
@@ -32,8 +31,7 @@ class LoopActionTest(tab_test_case.TabTestCase):
   @decorators.Disabled('android')
   def testLoopWithAllSelector(self):
     """Tests that Loop action loops all video elements with selector='all'."""
-    data = {'selector': 'all', 'loop_count': 2}
-    action = loop.LoopAction(data)
+    action = loop.LoopAction(loop_count=2, selector='all')
     action.WillRunAction(self._tab)
     # Both videos not playing before running action.
     self.assertFalse(self._tab.EvaluateJavaScript(VIDEO_1_LOOP_CHECK))
@@ -46,18 +44,8 @@ class LoopActionTest(tab_test_case.TabTestCase):
   @decorators.Disabled('android')
   def testLoopWaitForLoopTimeout(self):
     """Tests that wait_for_loop timeout_in_secondss if video does not loop."""
-    data = {'selector': '#video_1',
-            'wait_timeout_in_seconds': 1,
-            'loop_count': 2}
-    action = loop.LoopAction(data)
+    action = loop.LoopAction(loop_count=2, selector='#video_1',
+                             timeout_in_seconds=1)
     action.WillRunAction(self._tab)
     self.assertFalse(self._tab.EvaluateJavaScript(VIDEO_1_LOOP_CHECK))
     self.assertRaises(util.TimeoutException, action.RunAction, self._tab)
-
-  @decorators.Disabled('android')
-  def testLoopWithoutLoopCount(self):
-    """Tests that loop action fails with no loop count."""
-    data = {}
-    action = loop.LoopAction(data)
-    action.WillRunAction(self._tab)
-    self.assertRaises(AssertionError, action.RunAction, self._tab)