Telemetry: Disable large profile startup benchmarks.

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 fb69784f9c76d72cf316f43395819a3fa27c29db..41b08f0a217bea1fd621b9deb793cb484ff073f8 100644
--- a/tools/perf/benchmarks/startup.py
+++ b/tools/perf/benchmarks/startup.py
@@ -60,6 +60,9 @@ class StartupWarmBlankPage(_StartupWarm):
 
 @benchmark.Enabled('has tabs')
 @benchmark.Enabled('win', 'linux', 'mac')
+# TODO(erikchen): Investigate source of 30s browser hang on startup.
+# http://crbug.com/473827
+@benchmark.Disabled
 class StartupLargeProfileColdBlankPage(_StartupCold):
   """Measures cold startup time with a large profile."""
   tag = 'cold'
@@ -76,6 +79,9 @@ class StartupLargeProfileColdBlankPage(_StartupCold):
 
 @benchmark.Enabled('has tabs')
 @benchmark.Enabled('win', 'linux', 'mac')
+# TODO(erikchen): Investigate source of 30s browser hang on startup.
+# http://crbug.com/473827
+@benchmark.Disabled
 class StartupLargeProfileWarmBlankPage(_StartupWarm):
   """Measures warm startup time with a large profile."""
   tag = 'warm'