Wheel scroll latching enabled behind flag.

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 72da725670843c56b0589cd7de9f4b4ff89b5deb..266f62d2b6b97747e937cfd1ee829ba1451fd1eb 100644
--- a/content/public/common/content_features.cc
+++ b/content/public/common/content_features.cc
@@ -159,4 +159,11 @@ const base::Feature kWinSboxDisableExtensionPoints{
     "WinSboxDisableExtensionPoint", base::FEATURE_ENABLED_BY_DEFAULT};
 #endif
 
+#if defined(OS_MACOSX)
+// Enables touchpad scroll latching.
+// For now, it works only for Mac.
+const base::Feature kTouchpadScrollLatching{"TouchpadScrollLatching",
+                                            base::FEATURE_DISABLED_BY_DEFAULT};
+#endif
+
 }  // namespace features