Add NavigateToPage API for action_runner.

tools/telemetry/telemetry/page/actions/pinch.py

Index: tools/telemetry/telemetry/page/actions/pinch.py
diff --git a/tools/telemetry/telemetry/page/actions/pinch.py b/tools/telemetry/telemetry/page/actions/pinch.py
index b7085c5622b710f7ece677882041446e3775bc76..5a1f7e4d7418b8954e20c6486468a91b9247e3fd 100644
--- a/tools/telemetry/telemetry/page/actions/pinch.py
+++ b/tools/telemetry/telemetry/page/actions/pinch.py
@@ -10,7 +10,7 @@ class PinchAction(GestureAction):
   def __init__(self, attributes=None):
     super(PinchAction, self).__init__(attributes)
 
-  def WillRunAction(self, page, tab):
+  def WillRunAction(self, tab):
     for js_file in ['gesture_common.js', 'pinch.js']:
       with open(os.path.join(os.path.dirname(__file__), js_file)) as f:
         js = f.read()
@@ -36,7 +36,7 @@ class PinchAction(GestureAction):
         window.__pinchAction = new __PinchAction(%s);"""
         % done_callback)
 
-  def RunGesture(self, page, tab):
+  def RunGesture(self, tab):
     left_anchor_percentage = getattr(self, 'left_anchor_percentage', 0.5)
     top_anchor_percentage = getattr(self, 'top_anchor_percentage', 0.5)
     zoom_in = getattr(self, 'zoom_in', True)