Extend the webRequest.onCompleted event details object with TLS/SSL information

extensions/common/feature_switch.cc

Index: extensions/common/feature_switch.cc
diff --git a/extensions/common/feature_switch.cc b/extensions/common/feature_switch.cc
index f2bbd7d47699af19c7bab2cb6b0319f71cf914a0..f828034bfcdada5cc323402fd3bf35a2838b860a 100644
--- a/extensions/common/feature_switch.cc
+++ b/extensions/common/feature_switch.cc
@@ -55,7 +55,9 @@ class CommonSwitches {
                          FeatureSwitch::DEFAULT_ENABLED),
         media_router(kMediaRouterFlag,
                      kEnableMediaRouterExperiment,
-                     FeatureSwitch::DEFAULT_DISABLED) {
+                     FeatureSwitch::DEFAULT_DISABLED),
+        webrequest_ssl_info(switches::kWebrequestSSLInfo,
+                            FeatureSwitch::DEFAULT_DISABLED) {
   }
 
   // Enables extensions to be easily installed from sites other than the web
@@ -76,6 +78,7 @@ class CommonSwitches {
   FeatureSwitch embedded_extension_options;
   FeatureSwitch trace_app_source;
   FeatureSwitch media_router;
+  FeatureSwitch webrequest_ssl_info;
 };
 
 base::LazyInstance<CommonSwitches> g_common_switches =
@@ -123,6 +126,9 @@ FeatureSwitch* FeatureSwitch::trace_app_source() {
 FeatureSwitch* FeatureSwitch::media_router() {
   return &g_common_switches.Get().media_router;
 }
+FeatureSwitch* FeatureSwitch::webrequest_ssl_info() {
+  return &g_common_switches.Get().webrequest_ssl_info;
+}
 
 FeatureSwitch::ScopedOverride::ScopedOverride(FeatureSwitch* feature,
                                               bool override_value)