Remove GoogleMapsPage and GmailMouseScrollPage from top_25_smooth.

tools/perf/page_sets/top_pages.py

Index: tools/perf/page_sets/top_pages.py
diff --git a/tools/perf/page_sets/top_pages.py b/tools/perf/page_sets/top_pages.py
index 5ecfe4b735385dc68c9a5d13cd421e3af16997d3..69b06ac552ca52f552e6759b286a2ad60eeffb32 100644
--- a/tools/perf/page_sets/top_pages.py
+++ b/tools/perf/page_sets/top_pages.py
@@ -59,6 +59,47 @@ class GmailPage(TopPages):
         'document.readyState == "complete"')
 
 
+class GmailMouseScrollPage(GmailPage):
+
+  """ Why: productivity, top google properties """
+
+  def RunPageInteractions(self, action_runner):
+    action_runner.ExecuteJavaScript('''
+        gmonkey.load('2.0', function(api) {
+          window.__scrollableElementForTelemetry = api.getScrollableElement();
+        });''')
+    action_runner.WaitForJavaScriptCondition(
+        'window.__scrollableElementForTelemetry != null')
+    scrollbar_x, start_y, end_y = self._CalculateScrollBarRatios(action_runner)
+
+    interaction = action_runner.BeginGestureInteraction(
+        'DragAction')
+    action_runner.DragPage(left_start_ratio=scrollbar_x,
+        top_start_ratio=start_y, left_end_ratio=scrollbar_x,
+        top_end_ratio=end_y, speed_in_pixels_per_second=100,
+        element_function='window.__scrollableElementForTelemetry')
+    interaction.End()
+
+  def _CalculateScrollBarRatios(self, action_runner):
+    viewport_height = float(action_runner.EvaluateJavaScript(
+        'window.__scrollableElementForTelemetry.clientHeight'))
+    content_height = float(action_runner.EvaluateJavaScript(
+        'window.__scrollableElementForTelemetry.scrollHeight'))
+    viewport_width = float(action_runner.EvaluateJavaScript(
+        'window.__scrollableElementForTelemetry.offsetWidth'))
+    scrollbar_width = float(action_runner.EvaluateJavaScript('''
+        window.__scrollableElementForTelemetry.offsetWidth -
+        window.__scrollableElementForTelemetry.scrollWidth'''))
+
+    # This calculation is correct only when the element doesn't have border or
+    # padding or scroll buttons (eg: gmail mail element).
+    scrollbar_start_mid_y = viewport_height / (2 * content_height)
+    scrollbar_end_mid_y = 1 - scrollbar_start_mid_y
+    scrollbar_mid_x_offset = scrollbar_width / (2 * viewport_width)
+    scrollbar_mid_x = 1 - scrollbar_mid_x_offset
+    return scrollbar_mid_x, scrollbar_start_mid_y, scrollbar_end_mid_y
+
+
 class GoogleCalendarPage(TopPages):
 
   """ Why: productivity, top google properties """
@@ -117,12 +158,6 @@ class GoogleMapsPage(TopPages):
     action_runner.WaitForElement(selector='.widget-zoom-in')
     action_runner.WaitForElement(selector='.widget-zoom-out')
 
-  # Disabled on android since desktop record of maps doesn't load in android.
-  def CanRunOnBrowser(self, browser_info):
-    return (browser_info._browser._platform_backend.platform.GetOSName() !=
-        'android')
-
-
 class GooglePlusPage(TopPages):
 
   """ Why: social; top google property; Public profile; infinite scrolls """