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

extensions/common/switches.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "extensions/common/switches.h"
 
 namespace extensions {
 
 namespace switches {
 
@@ skipping 99 matching lines @@
 // Pass launch source to platform apps.
 const char kTraceAppSource[] = "enable-trace-app-source";
 
 // Enables the use of C++-based extension bindings (instead of JS generation).
 const char kNativeCrxBindings[] = "native-crx-bindings";
 
 // Enable package hash check: the .crx file sha256 hash sum should be equal to
 // the one received from update manifest.
 const char kEnableCrxHashCheck[] = "enable-crx-hash-check";
 
+// Enable adding SSL/TLS information to the webrequest.onCompleted details
+// object if underlying transport supports it.
+const char kWebrequestSSLInfo[] = "webrequest-ssl-info";
+
 }  // namespace switches
 
 }  // namespace extensions