Add commandline flag to enable GCM cipher suites from RFC 7714 in WebRTC.

content/public/common/content_switches.cc

 // Copyright (c) 2012 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 "build/build_config.h"
 #include "content/public/common/content_switches.h"
 #include "media/media_features.h"
 
 namespace switches {
 
@@ skipping 906 matching lines @@
 
 // Disables HW decode acceleration for WebRTC.
 const char kDisableWebRtcHWDecoding[]       = "disable-webrtc-hw-decoding";
 
 // Disables HW encode acceleration for WebRTC.
 const char kDisableWebRtcHWEncoding[] = "disable-webrtc-hw-encoding";
 
 // Disables HW VP8 encode acceleration for WebRTC.
 const char kDisableWebRtcHWVP8Encoding[]     = "disable-webrtc-hw-vp8-encoding";
 
+// Enables negotiation of GCM cipher suites for SRTP in WebRTC.

[Charlie Reis, 2017/03/23 16:21:27]

Maybe give a link to the RFC here, to help people decode these acronyms?

[joachim, 2017/03/23 20:07:11]

Done.

+const char kEnableWebRtcSrtpAesGcm[] = "enable-webrtc-srtp-aes-gcm";
+
 // Enables Origin header in Stun messages for WebRTC.
 const char kEnableWebRtcStunOrigin[]        = "enable-webrtc-stun-origin";
 
 // Enforce IP Permission check. TODO(guoweis): Remove this once the feature is
 // not under finch and becomes the default.
 const char kEnforceWebRtcIPPermissionCheck[] =
     "enforce-webrtc-ip-permission-check";
 
 // Override WebRTC IP handling policy to mimic the behavior when WebRTC IP
 // handling policy is specified in Preferences.
@@ skipping 147 matching lines @@
 // the given directory. Used primarily to gather samples for IPC fuzzing.
 const char kIpcDumpDirectory[] = "ipc-dump-directory";
 
 // Specifies the testcase used by the IPC fuzzer.
 const char kIpcFuzzerTestcase[] = "ipc-fuzzer-testcase";
 #endif
 
 // Don't dump stuff here, follow the same order as the header.
 
 }  // namespace switches