diff --git a/components/cronet/android/test/javaperftests/run.py b/components/cronet/android/test/javaperftests/run.py
index afb63e683043a0..e0556e6447978a 100755
--- a/components/cronet/android/test/javaperftests/run.py
+++ b/components/cronet/android/test/javaperftests/run.py
@@ -206,10 +206,10 @@ def Measure(self, platform, results):
           'ms', jsonResults[test]))
 
 
-@benchmark.Enabled('android')
 class CronetPerfTestBenchmark(benchmark.Benchmark):
   # Benchmark implementation spawning off Cronet perf test measurement and
   # StorySet.
+  SUPPORTED_PLATFORMS = [story.expectations.ALL_ANDROID]
 
   def __init__(self, max_failures=None):
     super(CronetPerfTestBenchmark, self).__init__(max_failures)
@@ -221,6 +221,12 @@ def CreatePageTest(self, options):
   def CreateStorySet(self, options):
     return CronetPerfTestStorySet(self._device)
 
+  def GetExpectations(self):
+    class StoryExpectations(story.expectations.StoryExpectations):
+      def SetExpectations(self):
+        pass # Nothing disabled.
+    return StoryExpectations()
+
 
 class QuicServer(object):
 
diff --git a/tools/chrome_proxy/integration_tests/chrome_proxy_benchmark.py b/tools/chrome_proxy/integration_tests/chrome_proxy_benchmark.py
index df48a6268aad84..7b58bcf78501e3 100644
--- a/tools/chrome_proxy/integration_tests/chrome_proxy_benchmark.py
+++ b/tools/chrome_proxy/integration_tests/chrome_proxy_benchmark.py
@@ -6,6 +6,7 @@
 from integration_tests import chrome_proxy_measurements as measurements
 from integration_tests import chrome_proxy_pagesets as pagesets
 from telemetry import benchmark
+from telemetry import decorators
 
 DESKTOP_PLATFORMS = ['mac', 'linux', 'win', 'chromeos']
 WEBVIEW_PLATFORMS = ['android-webview', 'android-webview-instrumentation']
@@ -49,7 +50,7 @@ def Name(cls):
     return 'chrome_proxy_benchmark.client_type.client_type'
 
 
-@benchmark.Disabled(*WEBVIEW_PLATFORMS)
+@decorators.Disabled(*WEBVIEW_PLATFORMS)
 class ChromeProxyLoFi(ChromeProxyBenchmark):
   tag = 'lo_fi'
   test = measurements.ChromeProxyLoFi
@@ -60,7 +61,7 @@ def Name(cls):
     return 'chrome_proxy_benchmark.lo_fi.lo_fi'
 
 
-@benchmark.Disabled(*WEBVIEW_PLATFORMS)
+@decorators.Disabled(*WEBVIEW_PLATFORMS)
 class ChromeProxyCacheLoFiDisabled(ChromeProxyBenchmark):
   tag = 'cache_lo_fi_disabled'
   test = measurements.ChromeProxyCacheLoFiDisabled
@@ -71,7 +72,7 @@ def Name(cls):
     return 'chrome_proxy_benchmark.lo_fi.cache_lo_fi_disabled'
 
 
-@benchmark.Disabled(*WEBVIEW_PLATFORMS)
+@decorators.Disabled(*WEBVIEW_PLATFORMS)
 class ChromeProxyCacheProxyDisabled(ChromeProxyBenchmark):
   tag = 'cache_proxy_disabled'
   test = measurements.ChromeProxyCacheProxyDisabled
@@ -82,7 +83,7 @@ def Name(cls):
     return 'chrome_proxy_benchmark.lo_fi.cache_proxy_disabled'
 
 
-@benchmark.Disabled(*WEBVIEW_PLATFORMS)
+@decorators.Disabled(*WEBVIEW_PLATFORMS)
 class ChromeProxyLitePage(ChromeProxyBenchmark):
   tag = 'lite_page'
   test = measurements.ChromeProxyLitePage
@@ -143,7 +144,7 @@ def Name(cls):
     return 'chrome_proxy_benchmark.html5test.html5test'
 
 
-@benchmark.Enabled(*DESKTOP_PLATFORMS)
+@decorators.Enabled(*DESKTOP_PLATFORMS)
 class ChromeProxyYouTube(ChromeProxyBenchmark):
   tag = 'youtube'
   test = measurements.ChromeProxyYouTube
@@ -174,7 +175,7 @@ def Name(cls):
     return 'chrome_proxy_benchmark.block_once.block_once'
 
 
-@benchmark.Disabled(*(DESKTOP_PLATFORMS + WEBVIEW_PLATFORMS))
+@decorators.Disabled(*(DESKTOP_PLATFORMS + WEBVIEW_PLATFORMS))
 # Safebrowsing is enabled for Android and iOS.
 class ChromeProxySafeBrowsingOn(ChromeProxyBenchmark):
   tag = 'safebrowsing_on'
@@ -191,7 +192,7 @@ def Name(cls):
     return 'chrome_proxy_benchmark.safebrowsing_on.safebrowsing'
 
 
-@benchmark.Enabled(*(DESKTOP_PLATFORMS + WEBVIEW_PLATFORMS))
+@decorators.Enabled(*(DESKTOP_PLATFORMS + WEBVIEW_PLATFORMS))
 # Safebrowsing is switched off for Android Webview and all desktop platforms.
 class ChromeProxySafeBrowsingOff(ChromeProxyBenchmark):
   tag = 'safebrowsing_off'
@@ -283,7 +284,7 @@ def Name(cls):
     return 'chrome_proxy_benchmark.client_config.synthetic'
 
 
-@benchmark.Enabled(*DESKTOP_PLATFORMS)
+@decorators.Enabled(*DESKTOP_PLATFORMS)
 class ChromeProxyVideoDirect(benchmark.Benchmark):
   tag = 'video'
   test = measurements.ChromeProxyVideoValidation
@@ -294,7 +295,7 @@ def Name(cls):
     return 'chrome_proxy_benchmark.video.direct'
 
 
-@benchmark.Enabled(*DESKTOP_PLATFORMS)
+@decorators.Enabled(*DESKTOP_PLATFORMS)
 class ChromeProxyVideoProxied(benchmark.Benchmark):
   tag = 'video'
   test = measurements.ChromeProxyVideoValidation
@@ -305,7 +306,7 @@ def Name(cls):
     return 'chrome_proxy_benchmark.video.proxied'
 
 
-@benchmark.Enabled(*DESKTOP_PLATFORMS)
+@decorators.Enabled(*DESKTOP_PLATFORMS)
 class ChromeProxyVideoCompare(benchmark.Benchmark):
   """Comparison of direct and proxied video fetches.
 
@@ -321,7 +322,7 @@ class ChromeProxyVideoCompare(benchmark.Benchmark):
   def Name(cls):
     return 'chrome_proxy_benchmark.video.compare'
 
-@benchmark.Enabled(*DESKTOP_PLATFORMS)
+@decorators.Enabled(*DESKTOP_PLATFORMS)
 class ChromeProxyVideoFrames(benchmark.Benchmark):
   """Check for video frames similar to original video."""
 
@@ -333,7 +334,7 @@ class ChromeProxyVideoFrames(benchmark.Benchmark):
   def Name(cls):
     return 'chrome_proxy_benchmark.video.frames'
 
-@benchmark.Enabled(*DESKTOP_PLATFORMS)
+@decorators.Enabled(*DESKTOP_PLATFORMS)
 class ChromeProxyVideoAudio(benchmark.Benchmark):
   """Check that audio is similar to original video."""
 
diff --git a/tools/perf/benchmarks/dromaeo.py b/tools/perf/benchmarks/dromaeo.py
index b14af1872b5463..248fbfa08ccd5a 100644
--- a/tools/perf/benchmarks/dromaeo.py
+++ b/tools/perf/benchmarks/dromaeo.py
@@ -9,7 +9,6 @@
 from core import perf_benchmark
 
 from telemetry import benchmark
-from telemetry import decorators
 from telemetry import page as page_module
 from telemetry.page import legacy_page_test
 from telemetry import story
@@ -191,8 +190,6 @@ def SetExpectations(self):
     return StoryExpectations()
 
 
-# Flaky on Windows: https://crbug.com/763263
-@decorators.Disabled('win')
 @benchmark.Owner(emails=['jbroman@chromium.org',
                          'yukishiino@chromium.org',
                          'haraken@chromium.org'])
@@ -211,5 +208,5 @@ def Name(cls):
   def GetExpectations(self):
     class StoryExpectations(story.expectations.StoryExpectations):
       def SetExpectations(self):
-        pass # http://dromaeo.com?dom-traverse not disabled.
+        self.DisableBenchmark([story.expectations.ALL_WIN], 'crbug.com/763263')
     return StoryExpectations()
diff --git a/tools/perf/contrib/cros_benchmarks/page_cycler_v2.py b/tools/perf/contrib/cros_benchmarks/page_cycler_v2.py
index f2f60516bcd9ca..bfaf815829759b 100644
--- a/tools/perf/contrib/cros_benchmarks/page_cycler_v2.py
+++ b/tools/perf/contrib/cros_benchmarks/page_cycler_v2.py
@@ -40,8 +40,6 @@ def ShouldDisable(cls, possible_browser):
     return False
 
 
-@benchmark.Disabled('win10')
-@benchmark.Disabled('android')  # crbug.com/654217
 @benchmark.Owner(emails=['kouhei@chromium.org', 'ksakamoto@chromium.org'])
 class PageCyclerV2Typical25(_PageCyclerV2):
   """Page load time benchmark for a 25 typical web pages.
@@ -62,7 +60,7 @@ def CreateStorySet(self, options):
   def GetExpectations(self):
     class StoryExpectations(story.expectations.StoryExpectations):
       def SetExpectations(self):
-        pass # Nothing disabled.
+        pass  # Nothing disabled.
     return StoryExpectations()
 
 
@@ -85,7 +83,7 @@ def CreateStorySet(self, options):
   def GetExpectations(self):
     class StoryExpectations(story.expectations.StoryExpectations):
       def SetExpectations(self):
-        pass # Nothing disabled.
+        pass  # Nothing disabled.
     return StoryExpectations()
 
 
@@ -108,7 +106,7 @@ def CreateStorySet(self, options):
   def GetExpectations(self):
     class StoryExpectations(story.expectations.StoryExpectations):
       def SetExpectations(self):
-        pass # Nothing disabled.
+        pass  # Nothing disabled.
     return StoryExpectations()
 
 
@@ -131,11 +129,10 @@ def CreateStorySet(self, options):
   def GetExpectations(self):
     class StoryExpectations(story.expectations.StoryExpectations):
       def SetExpectations(self):
-        pass # Nothing disabled.
+        pass  # Nothing disabled.
     return StoryExpectations()
 
 
-@benchmark.Disabled('android')  # crbug.com/666898
 @benchmark.Owner(emails=['kouhei@chromium.org', 'ksakamoto@chromium.org'])
 class PageCyclerV2IntlJaZh(_PageCyclerV2):
   """Page load time benchmark for a variety of pages in Japanese and Chinese.
@@ -154,7 +151,7 @@ def CreateStorySet(self, options):
   def GetExpectations(self):
     class StoryExpectations(story.expectations.StoryExpectations):
       def SetExpectations(self):
-        pass # Nothing disabled.
+        pass  # Nothing disabled.
     return StoryExpectations()
 
 
@@ -177,5 +174,5 @@ def CreateStorySet(self, options):
   def GetExpectations(self):
     class StoryExpectations(story.expectations.StoryExpectations):
       def SetExpectations(self):
-        pass # Nothing disabled.
+        pass  # Nothing disabled.
     return StoryExpectations()
diff --git a/tools/perf/contrib/cros_benchmarks/tab_switching_bench.py b/tools/perf/contrib/cros_benchmarks/tab_switching_bench.py
index e09eeeea37e9ef..ae4326b5187ba9 100644
--- a/tools/perf/contrib/cros_benchmarks/tab_switching_bench.py
+++ b/tools/perf/contrib/cros_benchmarks/tab_switching_bench.py
@@ -15,7 +15,6 @@
 
 @benchmark.Owner(emails=['vovoy@chromium.org'],
                  component='OS>Performance')
-@benchmark.Enabled('chromeos')
 class CrosTabSwitchingTypical24(perf_benchmark.PerfBenchmark):
   """Measures tab switching performance with 24 tabs.
 
@@ -31,6 +30,8 @@ class CrosTabSwitchingTypical24(perf_benchmark.PerfBenchmark):
   cros_tab_switching.typical_24 --tabset-repeat=5
   """
   test = tab_switching_measure.CrosTabSwitchingMeasurement
+  SUPPORTED_PLATFORMS = [story.expectations.ALL_CHROMEOS]
+
 
   @classmethod
   def AddBenchmarkCommandLineArgs(cls, parser):
@@ -56,5 +57,5 @@ def Name(cls):
   def GetExpectations(self):
     class StoryExpectations(story.expectations.StoryExpectations):
       def SetExpectations(self):
-        pass # No tests disabled.
+        pass  # Nothing disabled.
     return StoryExpectations()
diff --git a/tools/perf/contrib/oilpan/oilpan_benchmarks.py b/tools/perf/contrib/oilpan/oilpan_benchmarks.py
index 354a179e54d78c..bed8b9a8477b88 100644
--- a/tools/perf/contrib/oilpan/oilpan_benchmarks.py
+++ b/tools/perf/contrib/oilpan/oilpan_benchmarks.py
@@ -16,7 +16,7 @@
 
 from contrib.oilpan import oilpan_gc_times
 
-@benchmark.Enabled('content-shell')
+
 class OilpanGCTimesBlinkPerfStress(perf_benchmark.PerfBenchmark):
   tag = 'blink_perf_stress'
   test = oilpan_gc_times.OilpanGCTimesForInternals
@@ -52,10 +52,10 @@ def SetExpectations(self):
     return StoryExpectations()
 
 
-@benchmark.Enabled('android')
 class OilpanGCTimesKeySilkCases(perf_benchmark.PerfBenchmark):
   test = oilpan_gc_times.OilpanGCTimesForSmoothness
   page_set = page_sets.KeySilkCasesPageSet
+  SUPPORTED_PLATFORMS = [story.expectations.ALL_ANDROID]
 
   @classmethod
   def Name(cls):
@@ -73,11 +73,11 @@ def SetExpectations(self):
     return StoryExpectations()
 
 
-@benchmark.Enabled('android')
 class OilpanGCTimesSyncScrollKeyMobileSites(perf_benchmark.PerfBenchmark):
   tag = 'sync_scroll'
   test = oilpan_gc_times.OilpanGCTimesForSmoothness
   page_set = page_sets.KeyMobileSitesSmoothPageSet
+  SUPPORTED_PLATFORMS = [story.expectations.ALL_ANDROID]
 
   def SetExtraBrowserOptions(self, options):
     silk_flags.CustomizeBrowserOptionsForSyncScrolling(options)
diff --git a/tools/perf/core/trybot_command_unittest.py b/tools/perf/core/trybot_command_unittest.py
index 3980ca7736c3e1..733a31cf5a6658 100644
--- a/tools/perf/core/trybot_command_unittest.py
+++ b/tools/perf/core/trybot_command_unittest.py
@@ -16,7 +16,7 @@
 from core import trybot_command
 import mock
 from telemetry import benchmark
-
+from telemetry import decorators
 
 class FakeProcess(object):
 
@@ -911,6 +911,7 @@ def testAttemptTryjobWithDepsRevisionArg(self):
     self.assertEquals(output, sys.stdout.getvalue().strip())
 
 
+# TODO(rnephew): Modernize these tests to use StoryExpectations.
 class IsBenchmarkDisabledOnTrybotPlatformTest(unittest.TestCase):
 
   def IsBenchmarkDisabled(self, benchmark_class, trybot_name):
@@ -918,7 +919,7 @@ def IsBenchmarkDisabled(self, benchmark_class, trybot_name):
         benchmark_class, trybot_name)[0]
 
   def testBenchmarkIsDisabledAll(self):
-    @benchmark.Disabled('all')
+    @decorators.Disabled('all')
     class FooBenchmark(benchmark.Benchmark):
       pass
     self.assertTrue(self.IsBenchmarkDisabled(FooBenchmark, 'all'))
@@ -928,7 +929,7 @@ class FooBenchmark(benchmark.Benchmark):
     self.assertTrue(self.IsBenchmarkDisabled(FooBenchmark, 'winx64ati'))
 
   def testBenchmarkIsEnabledAll(self):
-    @benchmark.Enabled('all')
+    @decorators.Enabled('all')
     class FooBenchmark(benchmark.Benchmark):
       pass
     self.assertFalse(self.IsBenchmarkDisabled(FooBenchmark, 'all'))
@@ -938,7 +939,7 @@ class FooBenchmark(benchmark.Benchmark):
     self.assertFalse(self.IsBenchmarkDisabled(FooBenchmark, 'winx64ati'))
 
   def testBenchmarkIsDisabledOnMultiplePlatforms(self):
-    @benchmark.Disabled('win', 'mac')
+    @decorators.Disabled('win', 'mac')
     class FooBenchmark(benchmark.Benchmark):
       pass
     self.assertFalse(self.IsBenchmarkDisabled(FooBenchmark, 'all'))
@@ -949,7 +950,7 @@ class FooBenchmark(benchmark.Benchmark):
     self.assertTrue(self.IsBenchmarkDisabled(FooBenchmark, 'winx64ati'))
 
   def testBenchmarkIsEnabledOnMultiplePlatforms(self):
-    @benchmark.Enabled('win', 'mac')
+    @decorators.Enabled('win', 'mac')
     class FooBenchmark(benchmark.Benchmark):
       pass
     self.assertFalse(self.IsBenchmarkDisabled(FooBenchmark, 'all'))
diff --git a/tools/perf/measurements/clock_domain_test.py b/tools/perf/measurements/clock_domain_test.py
index b28cfc5c543a46..bc03404f75b9dc 100644
--- a/tools/perf/measurements/clock_domain_test.py
+++ b/tools/perf/measurements/clock_domain_test.py
@@ -2,7 +2,6 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-from telemetry import benchmark
 from telemetry import decorators
 from telemetry.testing import tab_test_case
 from telemetry.timeline import tracing_config
@@ -17,7 +16,7 @@ class ClockDomainTest(tab_test_case.TabTestCase):
   # Don't run this test on Android; it's not supposed to work on Android
   # (since when doing Android tracing there are two different devices,
   # so the clock domains will be different)
-  @benchmark.Disabled('android')
+  @decorators.Disabled('android')
   @decorators.Isolated
   def testTelemetryUsesChromeClockDomain(self):
 
diff --git a/tools/perf/measurements/tab_switching_unittest.py b/tools/perf/measurements/tab_switching_unittest.py
index 1e130e42dc06e3..d882553b431eca 100644
--- a/tools/perf/measurements/tab_switching_unittest.py
+++ b/tools/perf/measurements/tab_switching_unittest.py
@@ -6,7 +6,7 @@
 from measurements import tab_switching
 import mock
 from page_sets.system_health import multi_tab_stories
-from telemetry import benchmark
+from telemetry import decorators
 from telemetry import story as story_module
 from telemetry.internal.results import page_test_results
 from telemetry.testing import page_test_test_case
@@ -95,9 +95,9 @@ def testIsDone(self):
                         [browser.tabs[-1]] * 2]
       self.assertEqual(expected_calls, mock_get_histogram.mock_calls)
 
-  @benchmark.Enabled('has tabs')
-  @benchmark.Disabled('mac')
-  @benchmark.Disabled('android')
+  @decorators.Enabled('has tabs')
+  @decorators.Disabled('mac')
+  @decorators.Disabled('android')
   def testTabSwitching(self):
     """IT of TabSwitching measurement and multi-tab story"""
     ps = story_module.StorySet()