[Telemetry] Rename RunSmoothness to RunPageInteractions

tools/perf/page_sets/key_hit_test_cases.py

 # Copyright 2014 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 KeyHitTestCasesPage(page_module.Page):
 
   def __init__(self, url, page_set):
     super(KeyHitTestCasesPage, self).__init__(
         url=url, page_set=page_set, credentials_path = 'data/credentials.json')
     self.user_agent_type = 'mobile'
 
   def RunNavigateSteps(self, action_runner):
     action_runner.NavigateToPage(self)
     action_runner.Wait(2)
 
-  def RunSmoothness(self, action_runner):
+  def RunPageInteractions(self, action_runner):
     action_runner.Wait(2)
     for _ in xrange(100):
         self.TapButton(action_runner)
 
 
 class PaperCalculatorHitTest(KeyHitTestCasesPage):
 
   def __init__(self, page_set):
     super(PaperCalculatorHitTest, self).__init__(
       # Generated from https://github.com/zqureshi/paper-calculator
@@ skipping 15 matching lines @@
     interaction.End()
 
 
 class KeyHitTestCasesPageSet(page_set_module.PageSet):
 
   def __init__(self):
     super(KeyHitTestCasesPageSet, self).__init__(
       user_agent_type='mobile')
 
     self.AddUserStory(PaperCalculatorHitTest(self))