Disable failing tests on chromeos.

tools/perf/measurements/rasterize_and_record_micro_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 logging
 
 from measurements import rasterize_and_record_micro
 from telemetry.core import wpr_modes
 from telemetry.page import page_test
 from telemetry.unittest import options_for_unittests
@@ skipping 10 matching lines @@
   """
 
   def setUp(self):
     self._options = options_for_unittests.GetCopy()
     self._options.browser_options.wpr_mode = wpr_modes.WPR_OFF
     self._options.rasterize_repeat = 1
     self._options.record_repeat = 1
     self._options.start_wait_time = 0.0
     self._options.report_detailed_results = True
 
-  @test.Disabled('win')
+  @test.Disabled('win', 'chromeos')
   def testRasterizeAndRecordMicro(self):
     ps = self.CreatePageSetFromFileInUnittestDataDir('blank.html')
     measurement = rasterize_and_record_micro.RasterizeAndRecordMicro()
     try:
       results = self.RunMeasurement(measurement, ps, options=self._options)
     except page_test.TestNotSupportedOnPlatformFailure as failure:
       logging.warning(str(failure))
       return
     self.assertEquals(0, len(results.failures))
 
@@ skipping 44 matching lines @@
         total_picture_layers_with_no_content[0].GetRepresentativeNumber(), 0)
 
     total_picture_layers_off_screen = \
         results.FindAllPageSpecificValuesNamed(
             'total_picture_layers_off_screen')
     self.assertEquals(len(total_picture_layers_off_screen), 1)
     self.assertEqual(
         total_picture_layers_off_screen[0].GetRepresentativeNumber(), 0)