Telemetry benchmark key_desktop_move_pages.

This CL adds new benchmark to run drag gestures on gmail and maps page.
These pages are moved from top_25_smooth page set since this is desktop
specific. Please refer to crrev.com/985603003 and crrev.com/955653003
for motivation.

BUG=457148
BUG=464685

Review URL: https://codereview.chromium.org/1037483004

Cr-Commit-Position: refs/heads/master@{#322557}

tools/perf/benchmarks/smoothness.py

@@ -79,6 +79,16 @@ class SmoothnessMaps(benchmark.Benchmark):
     return 'smoothness.maps'
 
 
+@benchmark.Disabled('android')
+class SmoothnessKeyDesktopMoveCases(benchmark.Benchmark):
+  test = smoothness.Smoothness
+  page_set = page_sets.KeyDesktopMoveCasesPageSet
+
+  @classmethod
+  def Name(cls):
+    return 'smoothness.key_desktop_move_cases'
+
+
 @benchmark.Enabled('android')
 class SmoothnessKeyMobileSites(benchmark.Benchmark):
   """Measures rendering statistics while scrolling down the key mobile sites.

tools/perf/page_sets/data/key_desktop_move_cases.json

+{
+    "description": "Describes the Web Page Replay archives for a user story set. Don't edit by hand! Use record_wpr for updating.", 
+    "archives": {
+        "key_desktop_move_cases_001.wpr": [
+            "https://mail.google.com/mail/"
+        ],
+        "key_desktop_move_cases_000.wpr": [
+            "Maps"
+        ]
+    }
+}

tools/perf/page_sets/data/key_desktop_move_cases_000.wpr.sha1

+7982d4d8661f8e7bf33e4c4a68e41dd3b8dc7661
\ No newline at end of file

tools/perf/page_sets/data/key_desktop_move_cases_001.wpr.sha1

+14033b38b9be98cbcafa9cbb49636a4b93256f46
\ No newline at end of file

tools/perf/page_sets/data/top_25_smooth.json

@@ -7,9 +7,6 @@
         "top_25_001.wpr": [
             "https://plus.google.com/110031535020051778989/posts"
         ], 
-        "top_25_004.wpr": [
-            "Maps"
-        ], 
         "top_25_002.wpr": [
             "https://www.google.com/search?q=cats&tbm=isch"
         ], 

tools/perf/page_sets/key_desktop_move_cases.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.page import page as page_module
+from telemetry.page import page_set as page_set_module
+
+
+class KeyDesktopMoveCasesPage(page_module.Page):
+
+  def __init__(self, url, page_set, name='', credentials=None):
+    super(KeyDesktopMoveCasesPage, self).__init__(
+        url=url, page_set=page_set, name=name,
+        credentials_path='data/credentials.json')
+    self.archive_data_file = 'data/key_desktop_move_cases.json'
+    self.user_agent_type = 'desktop'
+    self.credentials = credentials
+
+
+class GmailMouseScrollPage(KeyDesktopMoveCasesPage):
+
+  """ Why: productivity, top google properties """
+
+  def __init__(self, page_set):
+    super(GmailMouseScrollPage, self).__init__(
+      url='https://mail.google.com/mail/',
+      page_set=page_set)
+
+    self.scrollable_element_function = '''
+      function(callback) {
+        gmonkey.load('2.0', function(api) {
+          callback(api.getScrollableElement());
+        });
+      }'''
+    self.credentials = 'google'
+
+  def RunNavigateSteps(self, action_runner):
+    super(GmailMouseScrollPage, self).RunNavigateSteps(action_runner)
+    action_runner.WaitForJavaScriptCondition(
+        'window.gmonkey !== undefined &&'
+        'document.getElementById("gb") !== null')
+    # This check is needed for gmonkey to load completely.
+    action_runner.WaitForJavaScriptCondition(
+        'document.readyState == "complete"')
+
+  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).
+    # Calculating the mid point of start of scrollbar.
+    scrollbar_height_ratio = viewport_height / content_height
+    scrollbar_start_mid_y = scrollbar_height_ratio / 2
+    scrollbar_width_ratio = scrollbar_width / viewport_width
+    scrollbar_mid_x_right_offset = scrollbar_width_ratio / 2
+    scrollbar_mid_x = 1 - scrollbar_mid_x_right_offset
+
+    # The End point of scrollbar (x remains same).
+    scrollbar_end_mid_y = 1 - scrollbar_start_mid_y
+    return scrollbar_mid_x, scrollbar_start_mid_y, scrollbar_end_mid_y
+
+
+class GoogleMapsPage(KeyDesktopMoveCasesPage):
+
+  """ Why: productivity, top google properties; Supports drag gesturee """
+
+  def __init__(self, page_set):
+    super(GoogleMapsPage, self).__init__(
+        url='https://www.google.co.uk/maps/@51.5043968,-0.1526806',
+        page_set=page_set,
+        name='Maps')
+
+  def RunNavigateSteps(self, action_runner):
+    super(GoogleMapsPage, self).RunNavigateSteps(action_runner)
+    action_runner.WaitForElement(selector='.widget-scene-canvas')
+    action_runner.WaitForElement(selector='.widget-zoom-in')
+    action_runner.WaitForElement(selector='.widget-zoom-out')
+
+  def RunPageInteractions(self, action_runner):
+    for _ in range(3):
+      action_runner.Wait(2)
+      interaction = action_runner.BeginGestureInteraction(
+          'DragAction', repeatable=True)
+      action_runner.DragPage(left_start_ratio=0.5, top_start_ratio=0.75,
+                             left_end_ratio=0.75, top_end_ratio=0.5)
+      interaction.End()
+    # TODO(ssid): Add zoom gestures after fixing bug crbug.com/462214.
+
+
+class KeyDesktopMoveCasesPageSet(page_set_module.PageSet):
+
+  """ Special cases for move gesture """
+
+  def __init__(self):
+    super(KeyDesktopMoveCasesPageSet, self).__init__(
+      archive_data_file='data/key_desktop_move_cases.json',
+      bucket=page_set_module.PARTNER_BUCKET)
+
+    self.AddUserStory(GmailMouseScrollPage(self))
+    self.AddUserStory(GoogleMapsPage(self))

tools/perf/page_sets/top_pages.py

@@ -54,50 +54,6 @@ class GmailPage(TopPages):
     action_runner.WaitForJavaScriptCondition(
         'window.gmonkey !== undefined &&'
         'document.getElementById("gb") !== null')
-    # This check is needed for gmonkey to load completely.
-    action_runner.WaitForJavaScriptCondition(
-        '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):
@@ -142,21 +98,6 @@ class GoogleDocPage(TopPages):
     action_runner.WaitForJavaScriptCondition(
         'document.getElementsByClassName("kix-appview-editor").length')
 
-class GoogleMapsPage(TopPages):
-
-  """ Why: productivity, top google properties; Supports drag gesturee """
-
-  def __init__(self, page_set):
-    super(GoogleMapsPage, self).__init__(
-        url='https://www.google.co.uk/maps/@51.5043968,-0.1526806',
-        page_set=page_set,
-        name='Maps')
-
-  def RunNavigateSteps(self, action_runner):
-    super(GoogleMapsPage, self).RunNavigateSteps(action_runner)
-    action_runner.WaitForElement(selector='.widget-scene-canvas')
-    action_runner.WaitForElement(selector='.widget-zoom-in')
-    action_runner.WaitForElement(selector='.widget-zoom-out')
 
 class GooglePlusPage(TopPages):