Add NavigateToPage API for action_runner.

tools/telemetry/telemetry/page/actions/seek_unittest.py

Index: tools/telemetry/telemetry/page/actions/seek_unittest.py
diff --git a/tools/telemetry/telemetry/page/actions/seek_unittest.py b/tools/telemetry/telemetry/page/actions/seek_unittest.py
index 61765072206df13904a565c9dc91da0486f1333e..6e33b94922b8ec38fe7889c962bfd62e1bea41dc 100644
--- a/tools/telemetry/telemetry/page/actions/seek_unittest.py
+++ b/tools/telemetry/telemetry/page/actions/seek_unittest.py
@@ -21,8 +21,8 @@ class SeekActionTest(tab_test_case.TabTestCase):
     """Tests that with no selector Seek  action seeks first media element."""
     data = {'wait_for_seeked': True, 'seek_time': 1}
     action = seek.SeekAction(data)
-    action.WillRunAction(None, self._tab)
-    action.RunAction(None, self._tab)
+    action.WillRunAction(self._tab)
+    action.RunAction(self._tab)
     # Assert only first video has played.
     self.assertTrue(self._tab.EvaluateJavaScript(VIDEO_1_SEEKED_CHECK))
     self.assertFalse(self._tab.EvaluateJavaScript(AUDIO_1_SEEKED_CHECK))
@@ -31,11 +31,11 @@ class SeekActionTest(tab_test_case.TabTestCase):
     """Tests that Seek action seeks video element matching selector."""
     data = {'selector': '#video_1', 'wait_for_seeked': True, 'seek_time': 1}
     action = seek.SeekAction(data)
-    action.WillRunAction(None, self._tab)
+    action.WillRunAction(self._tab)
     # Both videos not playing before running action.
     self.assertFalse(self._tab.EvaluateJavaScript(VIDEO_1_SEEKED_CHECK))
     self.assertFalse(self._tab.EvaluateJavaScript(AUDIO_1_SEEKED_CHECK))
-    action.RunAction(None, self._tab)
+    action.RunAction(self._tab)
     # Assert only video matching selector has played.
     self.assertTrue(self._tab.EvaluateJavaScript(VIDEO_1_SEEKED_CHECK))
     self.assertFalse(self._tab.EvaluateJavaScript(AUDIO_1_SEEKED_CHECK))
@@ -44,11 +44,11 @@ class SeekActionTest(tab_test_case.TabTestCase):
     """Tests that Seek action seeks all video elements with selector='all'."""
     data = {'selector': 'all', 'wait_for_seeked': True, 'seek_time': 1}
     action = seek.SeekAction(data)
-    action.WillRunAction(None, self._tab)
+    action.WillRunAction(self._tab)
     # Both videos not playing before running action.
     self.assertFalse(self._tab.EvaluateJavaScript(VIDEO_1_SEEKED_CHECK))
     self.assertFalse(self._tab.EvaluateJavaScript(AUDIO_1_SEEKED_CHECK))
-    action.RunAction(None, self._tab)
+    action.RunAction(self._tab)
     # Assert all media elements played.
     self.assertTrue(self._tab.EvaluateJavaScript(VIDEO_1_SEEKED_CHECK))
     self.assertTrue(self._tab.EvaluateJavaScript(AUDIO_1_SEEKED_CHECK))
@@ -60,14 +60,14 @@ class SeekActionTest(tab_test_case.TabTestCase):
             'wait_timeout': 1,
             'seek_time': 1}
     action = seek.SeekAction(data)
-    action.WillRunAction(None, self._tab)
+    action.WillRunAction(self._tab)
     self._tab.EvaluateJavaScript('document.getElementById("video_1").src = ""')
     self.assertFalse(self._tab.EvaluateJavaScript(VIDEO_1_SEEKED_CHECK))
-    self.assertRaises(util.TimeoutException, action.RunAction, None, self._tab)
+    self.assertRaises(util.TimeoutException, action.RunAction, self._tab)
 
   def testSeekWithoutSeekTime(self):
     """Tests that seek action fails with no seek time."""
     data = {'wait_for_seeked': True}
     action = seek.SeekAction(data)
-    action.WillRunAction(None, self._tab)
-    self.assertRaises(AssertionError, action.RunAction, None, self._tab)
+    action.WillRunAction(self._tab)
+    self.assertRaises(AssertionError, action.RunAction, self._tab)