Collect tab timing information for use in telementry-based startup tests

tools/perf/perf_tools/memory_measurement.py

Index: tools/perf/perf_tools/memory_measurement.py
diff --git a/tools/perf/perf_tools/memory_measurement.py b/tools/perf/perf_tools/memory_measurement.py
index 37e14a21b5290d75695125aa752be47bb4b8bace..3fd89db5b574e838dd2f23a074a644872a1b184a 100644
--- a/tools/perf/perf_tools/memory_measurement.py
+++ b/tools/perf/perf_tools/memory_measurement.py
@@ -29,7 +29,7 @@ class MemoryMeasurement(page_measurement.PageMeasurement):
       h.Start(page, tab)
 
   def CustomizeBrowserOptions(self, options):
-    options.AppendExtraBrowserArg('--dom-automation')
+    options.AppendExtraBrowserArg('--enable-stats-collection-bindings')
     # For a hard-coded set of Google pages (such as GMail), we produce custom
     # memory histograms (V8.Something_gmail) instead of the generic histograms
     # (V8.Something), if we detect that a renderer is only rendering this page
@@ -38,7 +38,13 @@ class MemoryMeasurement(page_measurement.PageMeasurement):
     # pages.
     options.AppendExtraBrowserArg('--disable-histogram-customizer')
     options.AppendExtraBrowserArg('--memory-metrics')
-    options.AppendExtraBrowserArg('--reduce-security-for-dom-automation-tests')
+    options.AppendExtraBrowserArg(
+        '--reduce-security-for-stats-collection-tests')
+
+    # Old commandline flags used for reference builds.
+    options.AppendExtraBrowserArg('--dom-automation')
+    options.AppendExtraBrowserArg(
+          '--reduce-security-for-dom-automation-tests')
 
   def CanRunForPage(self, page):
     return hasattr(page, 'stress_memory')