Add a gpu.SwapBuffers synthetic delay to PostSubBuffer.

tools/perf/measurements/smoothness_unittest.py

 # Copyright 2013 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 sys
 
 from measurements import smoothness
 from telemetry.core import wpr_modes
 from telemetry.page import page
 from telemetry.page import page_measurement_unittest_base
 from telemetry.unittest import options_for_unittests
@@ skipping 27 matching lines @@
 
      Runs smoothness measurement on a simple page and verifies
      that all metrics were added to the results. The test is purely functional,
      i.e. it only checks if the metrics are present and non-zero.
   """
   def testSyntheticDelayConfiguration(self):
     test_page = page.Page('http://dummy', None)
     test_page.synthetic_delays = {
         'cc.BeginMainFrame': { 'target_duration': 0.012 },
         'cc.DrawAndSwap': { 'target_duration': 0.012, 'mode': 'alternating' },
-        'gpu.SwapBuffers': { 'target_duration': 0.012 }
+        'gpu.PresentingFrame': { 'target_duration': 0.012 }
     }
 
     tab = FakeTab()
     measurement = smoothness.Smoothness()
     measurement.WillRunActions(test_page, tab)
 
     expected_category_filter = [
         'DELAY(cc.BeginMainFrame;0.012000;static)',
         'DELAY(cc.DrawAndSwap;0.012000;alternating)',
-        'DELAY(gpu.SwapBuffers;0.012000;static)',
+        'DELAY(gpu.PresentingFrame;0.012000;static)',
         'benchmark',
         'webkit.console'
     ]
     actual_category_filter = tab.browser.category_filter.split(',')
     actual_category_filter.sort()
     if expected_category_filter != actual_category_filter:
       sys.stderr.write("Expected category filter: %s\n" %
                        repr(expected_category_filter))
       sys.stderr.write("Actual category filter filter: %s\n" %
                        repr(actual_category_filter))
@@ skipping 34 matching lines @@
 
     mean_touch_scroll_latency = results.FindAllPageSpecificValuesNamed(
         'mean_touch_scroll_latency')
     if mean_touch_scroll_latency:
       self.assertEquals(len(mean_touch_scroll_latency), 1)
       self.assertGreater(
           mean_touch_scroll_latency[0].GetRepresentativeNumber(), 0)
 
   def testCleanUpTrace(self):
     self.TestTracingCleanedUp(smoothness.Smoothness, self._options)