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 84eaa9043fab39cde1dbc7532779ebd7c007d37e..689c8cbec562564c88f534ae07a69e1d8f310f16 100644
--- a/extensions/common/feature_switch.cc
+++ b/extensions/common/feature_switch.cc
@@ -59,6 +59,8 @@ class CommonSwitches {
             FeatureSwitch::DEFAULT_DISABLED),
 #endif  // defined(GOOGLE_CHROME_BUILD)
         native_crx_bindings(switches::kNativeCrxBindings,
+                            FeatureSwitch::DEFAULT_DISABLED),
+        webrequest_ssl_info(switches::kWebrequestSSLInfo,
                             FeatureSwitch::DEFAULT_DISABLED) {
   }
 
@@ -80,6 +82,7 @@ class CommonSwitches {
   FeatureSwitch trace_app_source;
   FeatureSwitch load_media_router_component_extension;
   FeatureSwitch native_crx_bindings;
+  FeatureSwitch webrequest_ssl_info;
 };
 
 base::LazyInstance<CommonSwitches> g_common_switches =
@@ -120,6 +123,9 @@ FeatureSwitch* FeatureSwitch::load_media_router_component_extension() {
 FeatureSwitch* FeatureSwitch::native_crx_bindings() {
   return &g_common_switches.Get().native_crx_bindings;
 }
+FeatureSwitch* FeatureSwitch::webrequest_ssl_info() {
+  return &g_common_switches.Get().webrequest_ssl_info;
+}
 
 FeatureSwitch::ScopedOverride::ScopedOverride(FeatureSwitch* feature,
                                               bool override_value)