Add System health stories for Emerging market

tools/perf/page_sets/system_health/searching_stories.py

 # Copyright 2016 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 page_sets.system_health import platforms
+from page_sets.system_health import story_tags
 from page_sets.system_health import system_health_story
 
 
 class SearchGoogleStory(system_health_story.SystemHealthStory):
   NAME = 'search:portal:google'
   URL = 'https://www.google.co.uk/'
+  TAGS = [story_tags.EMERGING_MARKET]
 
   _SEARCH_BOX_SELECTOR = 'input[aria-label="Search"]'
   _RESULT_SELECTOR = '.r > a[href*="wikipedia"]'
 
   def _DidLoadDocument(self, action_runner):
     # Click on the search box.
     action_runner.Wait(1)
     action_runner.WaitForElement(selector=self._SEARCH_BOX_SELECTOR)
     action_runner.TapElement(selector=self._SEARCH_BOX_SELECTOR)
 
     # Submit search query.
     action_runner.Wait(1)
     action_runner.EnterText('what is science')
     action_runner.Wait(0.5)
     action_runner.PressKey('Return')
 
     # Scroll to the Wikipedia result.
     action_runner.WaitForElement(selector=self._RESULT_SELECTOR)
     action_runner.Wait(1)
     action_runner.ScrollPageToElement(selector=self._RESULT_SELECTOR)
 
     # Click on the Wikipedia result.
     action_runner.Wait(1)
     action_runner.TapElement(selector=self._RESULT_SELECTOR)
     action_runner.tab.WaitForDocumentReadyStateToBeComplete()
+
+class SearchOmniboxStory(system_health_story.SystemHealthStory):
+  NAME = 'search:google:omnibox'
+  URL = 'https://www.google.co.in'
+  SUPPORTED_PLATFORMS = platforms.MOBILE_ONLY
+  TAGS = [story_tags.EMERGING_MARKET]
+
+  def RunPageInteractions(self, action_runner):
+    platform = action_runner.tab.browser.platform
+    package = action_runner.tab.browser.GetBrowserInfo().package_name
+    platform.system_ui.WaitForUiNode(resource_id=package+':id/url_bar')
+    url_bar = platform.system_ui.GetUiNode(resource_id=package+':id/url_bar')
+    url_bar.Tap()
+    action_runner.Wait(1)
+    platform.android_action_runner.InputText('drake')
+    action_runner.Wait(0.5)
+    platform.android_action_runner.InputKeyEvent(66)

[perezju, 2017/04/04 09:23:38]

use the constant name from:
https://github.com/catapult-project/catapult/blob/master/devil/devil/android/...

[ssid, 2017/04/04 20:59:49]

Done.

+
+    action_runner.WaitForNavigate(15)
+    action_runner.ScrollPage(use_touch=True, distance=500)