Add CompositorTouchAction to RuntimeEnabledFeatures.

content/child/runtime_features.cc

Index: content/child/runtime_features.cc
diff --git a/content/child/runtime_features.cc b/content/child/runtime_features.cc
index 5282a4aa13c537cc513164a2cc0edc8a6acf1e88..c56132698cf7185ccd58e23d75e028f9dfa814af 100644
--- a/content/child/runtime_features.cc
+++ b/content/child/runtime_features.cc
@@ -345,6 +345,8 @@ void SetRuntimeFeaturesDefaultsAndUpdateFromArgs(
   if (!base::FeatureList::IsEnabled(features::kCompositeOpaqueScrollers))
     WebRuntimeFeatures::EnableFeatureFromString("CompositeOpaqueScrollers",
                                                 false);
+  if (base::FeatureList::IsEnabled(features::kCompositorTouchAction))
+    WebRuntimeFeatures::EnableCompositorTouchAction(true);
 
   if (base::FeatureList::IsEnabled(features::kSkipCompositingSmallScrollers))
     WebRuntimeFeatures::EnableSkipCompositingSmallScrollers(true);