Disable large profile tests for reference builds.

tools/perf/benchmarks/startup.py

Index: tools/perf/benchmarks/startup.py
diff --git a/tools/perf/benchmarks/startup.py b/tools/perf/benchmarks/startup.py
index 5a37272faa4b4dd3956b98d06fd10e1e15e91d46..243bb7a341b4843e4b435ce9d8f5135e81f72e93 100644
--- a/tools/perf/benchmarks/startup.py
+++ b/tools/perf/benchmarks/startup.py
@@ -60,6 +60,7 @@ class StartupWarmBlankPage(_StartupWarm):
 
 @benchmark.Enabled('has tabs')
 @benchmark.Enabled('win', 'linux', 'mac')
+@benchmark.Disabled('reference')
 class StartupLargeProfileColdBlankPage(_StartupCold):
   """Measures cold startup time with a large profile."""
   tag = 'cold'
@@ -79,6 +80,7 @@ class StartupLargeProfileColdBlankPage(_StartupCold):
 
 @benchmark.Enabled('has tabs')
 @benchmark.Enabled('win', 'linux', 'mac')
+@benchmark.Disabled('reference')
 class StartupLargeProfileWarmBlankPage(_StartupWarm):
   """Measures warm startup time with a large profile."""
   tag = 'warm'