[Android] Enable composited selection updates

content/child/runtime_features.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/child/runtime_features.h"
 
 #include "base/command_line.h"
 #include "base/metrics/field_trial.h"
 #include "content/common/content_switches_internal.h"
 #include "content/public/common/content_switches.h"
@@ skipping 39 matching lines @@
   // Android does not yet support the Web Notification API. crbug.com/115320
   WebRuntimeFeatures::enableNotifications(false);
   // Android does not yet support SharedWorker. crbug.com/154571
   WebRuntimeFeatures::enableSharedWorker(false);
   // Android does not yet support NavigatorContentUtils.
   WebRuntimeFeatures::enableNavigatorContentUtils(false);
   WebRuntimeFeatures::enableTouchIconLoading(true);
   WebRuntimeFeatures::enableOrientationEvent(true);
   WebRuntimeFeatures::enableFastMobileScrolling(true);
   WebRuntimeFeatures::enableMediaCapture(true);
+  WebRuntimeFeatures::enableCompositedSelectionUpdate(true);
   // If navigation transitions gets activated via field trial, enable it in
   // blink. We don't set this to false in case the user has manually enabled
   // the feature via experimental web platform features.
   if (base::FieldTrialList::FindFullName("NavigationTransitions") == "Enabled")
     WebRuntimeFeatures::enableNavigationTransitions(true);
 #else
   WebRuntimeFeatures::enableNavigatorContentUtils(true);
 #endif  // defined(OS_ANDROID)
 
 #if !(defined OS_ANDROID || defined OS_CHROMEOS || defined OS_IOS)
@@ skipping 105 matching lines @@
     WebRuntimeFeatures::enableLayerSquashing(true);
 
   if (command_line.HasSwitch(switches::kEnableNetworkInformation) ||
       command_line.HasSwitch(
           switches::kEnableExperimentalWebPlatformFeatures)) {
     WebRuntimeFeatures::enableNetworkInformation(true);
   }
 }
 
 }  // namespace content