[polymer] Merge of master into polymer10-migration

telemetry/telemetry/internal/actions/repeatable_scroll_unittest.py

 # Copyright 2015 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
+from telemetry import decorators
+
+from telemetry.internal.actions import page_action
 from telemetry.internal.actions import repeatable_scroll
+from telemetry.internal.actions import utils
 from telemetry.internal.browser import browser_info as browser_info_module
 from telemetry.testing import tab_test_case
 
 
 class RepeatableScrollActionTest(tab_test_case.TabTestCase):
 
   def setUp(self):
     tab_test_case.TabTestCase.setUp(self)
     self.Navigate('blank.html')
+    utils.InjectJavaScript(self._tab, 'gesture_common.js')
 
-    # Make page bigger than window so it's scrollable.
-    self._tab.ExecuteJavaScript('document.body.style.height = '
-                                ' (3 * window.innerHeight + 1) + "px";')
+    # Make page taller than window so it's scrollable.
+    self._tab.ExecuteJavaScript('document.body.style.height ='
+        '(3 * __GestureCommon_GetWindowHeight() + 1) + "px";')
 
     self.assertEquals(
-        self._tab.EvaluateJavaScript('document.documentElement.scrollTop '
-                                     '|| document.body.scrollTop'), 0)
+        self._tab.EvaluateJavaScript('document.scrollingElement.scrollTop'), 0)
 
     self._browser_info = browser_info_module.BrowserInfo(self._tab.browser)
-    self._window_height = int(
-        self._tab.EvaluateJavaScript('window.innerHeight'))
+    self._window_height = int(self._tab.EvaluateJavaScript(
+        '__GestureCommon_GetWindowHeight()'))
 
   def testRepeatableScrollActionNoRepeats(self):
     if not self._browser_info.HasRepeatableSynthesizeScrollGesture():
       return
 
     expected_scroll = (self._window_height / 2) - 1
 
     i = repeatable_scroll.RepeatableScrollAction(y_scroll_distance_ratio=0.5)
     i.WillRunAction(self._tab)
 
     i.RunAction(self._tab)
 
     scroll_position = self._tab.EvaluateJavaScript(
-        '(document.documentElement.scrollTop || document.body.scrollTop)')
+        'document.scrollingElement.scrollTop')
     # We can only expect the final scroll position to be approximatly equal.
     self.assertTrue(abs(scroll_position - expected_scroll) < 20,
                     msg='scroll_position=%d;expected %d' % (scroll_position,
                                                             expected_scroll))
 
   def testRepeatableScrollActionTwoRepeats(self):
     if not self._browser_info.HasRepeatableSynthesizeScrollGesture():
       return
 
     expected_scroll = ((self._window_height / 2) - 1) * 3
 
     i = repeatable_scroll.RepeatableScrollAction(y_scroll_distance_ratio=0.5,
                                                  repeat_count=2,
                                                  repeat_delay_ms=1)
     i.WillRunAction(self._tab)
 
     i.RunAction(self._tab)
 
     scroll_position = self._tab.EvaluateJavaScript(
-        '(document.documentElement.scrollTop || document.body.scrollTop)')
+        'document.scrollingElement.scrollTop')
     # We can only expect the final scroll position to be approximatly equal.
     self.assertTrue(abs(scroll_position - expected_scroll) < 20,
                     msg='scroll_position=%d;expected %d' % (scroll_position,
                                                             expected_scroll))
+
+  # Regression test for crbug.com/627166
+  # TODO(ulan): enable for Android after catapult:#2475 is fixed.
+  @decorators.Disabled('all')
+  def testRepeatableScrollActionNoRepeatsZoomed(self):
+    if (not self._browser_info.HasRepeatableSynthesizeScrollGesture() or
+        not page_action.IsGestureSourceTypeSupported(self._tab, 'touch')):
+      return
+
+    self._tab.action_runner.PinchPage(scale_factor=0.1)
+
+    inner_height = self._tab.EvaluateJavaScript('window.innerHeight')
+    outer_height = self._tab.EvaluateJavaScript('window.outerHeight')
+
+    self.assertGreater(inner_height, outer_height)
+
+    i = repeatable_scroll.RepeatableScrollAction(y_scroll_distance_ratio=0.5)
+    i.WillRunAction(self._tab)
+    i.RunAction(self._tab)
+    # If scroll coordinates are computed incorrectly Chrome will crash with
+    # [FATAL:synthetic_gesture_target_base.cc(62)] Check failed:
+    # web_touch.touches[i].state != WebTouchPoint::StatePressed ||
+    # PointIsWithinContents(web_touch.touches[i].position.x,
+    # web_touch.touches[i].position.y). Touch coordinates are not within content
+    # bounds on TouchStart.