Fix coordinate calculations under pinch-zoom

telemetry/telemetry/internal/actions/action_runner.py

Index: telemetry/telemetry/internal/actions/action_runner.py
diff --git a/telemetry/telemetry/internal/actions/action_runner.py b/telemetry/telemetry/internal/actions/action_runner.py
index 8b2faafa1d4667d66a919ec0ab30036f464269cd..b9c7c60174520a42d076893d8ac687557a7c55c8 100644
--- a/telemetry/telemetry/internal/actions/action_runner.py
+++ b/telemetry/telemetry/internal/actions/action_runner.py
@@ -362,8 +362,7 @@ class ActionRunner(object):
           gesture, as a ratio of the visible bounding rectangle for
           document.body.
       scale_factor: The ratio of the final span to the initial span.
-          The default scale factor is
-          3.0 / (window.outerWidth/window.innerWidth).
+          The default scale factor is 3.0 / (current scale factor).
       speed_in_pixels_per_second: The speed of the gesture (in pixels/s).
     """
     self._RunAction(PinchAction(
@@ -371,38 +370,6 @@ class ActionRunner(object):
         scale_factor=scale_factor,
         speed_in_pixels_per_second=speed_in_pixels_per_second))
 
-  def PinchElement(self, selector=None, text=None, element_function=None,
-                   left_anchor_ratio=0.5, top_anchor_ratio=0.5,
-                   scale_factor=None, speed_in_pixels_per_second=800):
-    """Perform the pinch gesture on an element.
-
-    It computes the pinch gesture automatically based on the anchor
-    coordinate and the scale factor. The scale factor is the ratio of
-    of the final span and the initial span of the gesture.
-
-    Args:
-      selector: A CSS selector describing the element.
-      text: The element must contains this exact text.
-      element_function: A JavaScript function (as string) that is used
-          to retrieve the element. For example:
-          'function() { return foo.element; }'.
-      left_anchor_ratio: The horizontal pinch anchor coordinate of the
-          gesture, as a ratio of the visible bounding rectangle for
-          the element.
-      top_anchor_ratio: The vertical pinch anchor coordinate of the
-          gesture, as a ratio of the visible bounding rectangle for
-          the element.
-      scale_factor: The ratio of the final span to the initial span.
-          The default scale factor is
-          3.0 / (window.outerWidth/window.innerWidth).
-      speed_in_pixels_per_second: The speed of the gesture (in pixels/s).
-    """
-    self._RunAction(PinchAction(
-        selector=selector, text=text, element_function=element_function,
-        left_anchor_ratio=left_anchor_ratio, top_anchor_ratio=top_anchor_ratio,
-        scale_factor=scale_factor,
-        speed_in_pixels_per_second=speed_in_pixels_per_second))
-
   def ScrollPage(self, left_start_ratio=0.5, top_start_ratio=0.5,
                  direction='down', distance=None, distance_expr=None,
                  speed_in_pixels_per_second=800, use_touch=False,