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

content/public/common/content_switches.cc

Index: content/public/common/content_switches.cc
diff --git a/content/public/common/content_switches.cc b/content/public/common/content_switches.cc
index 272793f46a1fa6ebc1a79728a360f77fdbac71f6..72c486957f790d3edcfc9cbf7f3907cfef1c79ea 100644
--- a/content/public/common/content_switches.cc
+++ b/content/public/common/content_switches.cc
@@ -236,8 +236,15 @@ const char kDomAutomationController[]       = "dom-automation";
 
 // Loosen security. Needed for tests using some of the functionality of
 // |DOMAutomationController|.
-const char kReduceSecurityForDomAutomationTests[] =
-    "reduce-security-for-dom-automation-tests";
+const char kReduceSecurityForStatsCollectionTests[] =
+    "reduce-security-for-stats-collection-tests";
+
+// Specifies if the |StatsCollectionExtension| needs to be bound in the
+// renderer. This binding happens on per-frame basis and hence can potentially
+// be a performance bottleneck. One should only enable it when running a test
+// that needs to access the provided statistics.
+const char kStatsCollectionExtension[] =
+    "enable-stats-collection-bindings";
 
 // Enable hardware accelerated page painting.
 const char kEnableAcceleratedPainting[]     = "enable-accelerated-painting";