Disable v8.browsing_desktop & v8.browsing_desktop_ignition on Win Perf bots

TBR=nednguyen@google.com
BUG=chromium:654209

Review-Url: https://codereview.chromium.org/2401253002
Cr-Commit-Position: refs/heads/master@{#424086}

tools/perf/benchmarks/v8_browsing.py

@@ -105,6 +105,7 @@ class _V8MobileBrowsingBenchmark(_V8BrowsingBenchmark):
     return possible_browser.platform.GetDeviceTypeName() == 'Desktop'
 
 
+@benchmark.Disabled('win')  # http://crbug.com/654209
 class V8DesktopBrowsingBenchmark(_V8DesktopBrowsingBenchmark):
   PLATFORM = 'desktop'
   TEST_SUFFIX = ''
@@ -116,6 +117,7 @@ class V8MobileBrowsingBenchmark(_V8MobileBrowsingBenchmark):
   TEST_SUFFIX = ''
 
 
+@benchmark.Disabled('win')  # http://crbug.com/654209
 class V8DesktopIgnitionBrowsingBenchmark(_V8DesktopBrowsingBenchmark):
   PLATFORM = 'desktop'
   TEST_SUFFIX = '_ignition'