Added a chrome flag to enable Delay Agnostic AEC 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 "content/public/common/content_switches.h"
 
 #include "base/command_line.h"
 #include "base/metrics/field_trial.h"
 
 namespace switches {
@@ skipping 297 matching lines @@
 // Enable the creation of compositing layers when it would prevent LCD text.
 const char kEnablePreferCompositingToLCDText[] =
     "enable-prefer-compositing-to-lcd-text";
 
 // PlzNavigate: Use the experimental browser-side navigation path.
 const char kEnableBrowserSideNavigation[]   = "enable-browser-side-navigation";
 
 // Defer image decoding in WebKit until painting.
 const char kEnableDeferredImageDecoding[]   = "enable-deferred-image-decoding";
 
+// Enables Delay Agnostic AEC in WebRTC.
+const char kEnableDelayAgnosticAec[]        = "enable-delay-agnostic-aec";
+
 // Enables delegated renderer.
 const char kEnableDelegatedRenderer[]       = "enable-delegated-renderer";
 
 // Enables display list based 2d canvas implementation. Options:
 //  1. Enable: allow browser to use display list for 2d canvas (browser makes
 //     decision).
 //  2. Force: browser always uses display list for 2d canvas.
 const char kEnableDisplayList2dCanvas[]     = "enable-display-list-2d-canvas";
 const char kForceDisplayList2dCanvas[]      = "force-display-list-2d-canvas";
 const char kDisableDisplayList2dCanvas[]    = "disable-display-list-2d-canvas";
@@ skipping 665 matching lines @@
   if (cmd_line->HasSwitch(kDisableWin32kRendererLockDown))
     return false;
   // Default.
   return group_name == "Enabled";
 }
 #endif
 
 // Don't dump stuff here, follow the same order as the header.
 
 }  // namespace switches