Revert "Revert r253110: "Enable webrtc for webview.""

android_webview/lib/main/aw_main_delegate.cc

Index: android_webview/lib/main/aw_main_delegate.cc
diff --git a/android_webview/lib/main/aw_main_delegate.cc b/android_webview/lib/main/aw_main_delegate.cc
index 967fea37f48e7237d41a6c8618690dc9e4c41ef9..7440b099d90f7d9d23d90833e6470e2b1f2fa7c9 100644
--- a/android_webview/lib/main/aw_main_delegate.cc
+++ b/android_webview/lib/main/aw_main_delegate.cc
@@ -72,14 +72,10 @@ bool AwMainDelegate::BasicStartupComplete(int* exit_code) {
   // Fullscreen video with subtitle is not yet supported.
   cl->AppendSwitch(switches::kDisableOverlayFullscreenVideoSubtitle);
 
-  // Disable WebRTC.
-  cl->AppendSwitch(switches::kDisableWebRTC);
-
 #if defined(VIDEO_HOLE)
   // Support EME/L1 with hole-punching.
   cl->AppendSwitch(switches::kMediaDrmEnableNonCompositing);
 #endif
-
   return false;
 }