CC: Plumb LayerSettings parameter for cc::Layer construction.

content/public/common/content_switches.cc

Index: content/public/common/content_switches.cc
diff --git a/content/public/common/content_switches.cc b/content/public/common/content_switches.cc
index 4a1c93a081b57e9923439a5730ebcea1fa55db8a..d2fbe86ceb9631579e6fbbac9a083fc2d11cb397 100644
--- a/content/public/common/content_switches.cc
+++ b/content/public/common/content_switches.cc
@@ -936,6 +936,11 @@ const char kDisableScreenOrientationLock[]  = "disable-screen-orientation-lock";
 // WebRTC is enabled by default on Android.
 const char kDisableWebRTC[]                 = "disable-webrtc";
 
+// Enable external animation system for Android compositor.
+// See also kEnableCompositorAnimationTimelines for renderer compositors.
+const char kEnableAndroidCompositorAnimationTimelines[] =
+    "enable-android-compositor-animation-timelines";
+
 // The telephony region (ISO country code) to use in phone number detection.
 const char kNetworkCountryIso[] = "network-country-iso";