Add a feature for not compositing small scrollers

content/public/common/content_features.cc

Index: content/public/common/content_features.cc
diff --git a/content/public/common/content_features.cc b/content/public/common/content_features.cc
index 3b2ec58d49c254852e83a133b158afa331565289..a697be6ec41b5232184e498e5f026f8fc9d88bf5 100644
--- a/content/public/common/content_features.cc
+++ b/content/public/common/content_features.cc
@@ -143,6 +143,9 @@ const base::Feature kMemoryCoordinator {
   "MemoryCoordinator", base::FEATURE_DISABLED_BY_DEFAULT
 };
 
+// An experiment for not compositing small scrollers.
+const base::Feature kNotCompositeSmallScroller{
+    "kNotCompositeSmallScroller", base::FEATURE_DISABLED_BY_DEFAULT};

[jwd, 2017/06/02 18:27:35]

Nit: Don't include the k in the string name of the feature.

[jwd, 2017/06/02 18:27:35]

Nit: Add a newline after this.

[yigu, 2017/06/02 18:39:02]

Done.

 // Kill switch for Web Notification content images.
 const base::Feature kNotificationContentImage{"NotificationContentImage",
                                               base::FEATURE_ENABLED_BY_DEFAULT};