[Telemetry] Rename DisableBenchmark to PermenantlyDisableBenchmark in StoryExpectations

telemetry/telemetry/story/expectations_unittest.py

 # Copyright 2017 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.
 
 import unittest
 
 from telemetry.story import expectations
 from telemetry.testing import fakes
 
 
@@ skipping 76 matching lines @@
       self.assertTrue(expectations.ALL_MOBILE.ShouldDisable(self._platform))
 
 
 class StoryExpectationsTest(unittest.TestCase):
   def setUp(self):
     self.platform = fakes.FakePlatform()
 
   def testCantDisableAfterInit(self):
     e = expectations.StoryExpectations()
     with self.assertRaises(AssertionError):
-      e.DisableBenchmark(['test'], 'test')
+      e.PermanentlyDisableBenchmark(['test'], 'test')
     with self.assertRaises(AssertionError):
       e.DisableStory('story', ['platform'], 'reason')
 
-  def testDisableBenchmark(self):
+  def testPermanentlyDisableBenchmark(self):
     class FooExpectations(expectations.StoryExpectations):
       def SetExpectations(self):
-        self.DisableBenchmark([expectations.ALL_WIN], 'crbug.com/123')
+        self.PermanentlyDisableBenchmark(
+            [expectations.ALL_WIN], 'crbug.com/123')
 
     e = FooExpectations()
     self.platform.SetOSName('win')
 
     reason = e.IsBenchmarkDisabled(self.platform)
     self.assertEqual(reason, 'crbug.com/123')
 
     self.platform.SetOSName('android')
     reason = e.IsBenchmarkDisabled(self.platform)
     self.assertIsNone(reason)
@@ skipping 33 matching lines @@
 
   def testDisableStoryWithLongName(self):
     class FooExpectations(expectations.StoryExpectations):
       def SetExpectations(self):
         self.DisableStory(
             '123456789012345678901234567890123456789012345678901',
             [expectations.ALL], 'Too Long')
 
     with self.assertRaises(AssertionError):
       FooExpectations()