Enable rAF aligned input by default

content/public/common/content_features.cc

 // Copyright 2015 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 "build/build_config.h"
 #include "content/public/common/content_features.h"
 
 namespace features {
 
 // All features in alphabetical order.
@@ skipping 165 matching lines @@
   "PurgeAndSuspend",
 #if defined(OS_MACOSX) || defined(OS_ANDROID)
       base::FEATURE_DISABLED_BY_DEFAULT
 #else
       base::FEATURE_ENABLED_BY_DEFAULT
 #endif
 };
 
 // RAF aligned mouse input events support.
 const base::Feature kRafAlignedMouseInputEvents{
-    "RafAlignedMouseInput", base::FEATURE_DISABLED_BY_DEFAULT};
+    "RafAlignedMouseInput", base::FEATURE_ENABLED_BY_DEFAULT};
 
 // RAF aligned touch input events support.
 const base::Feature kRafAlignedTouchInputEvents{
     "RafAlignedTouchInput", base::FEATURE_ENABLED_BY_DEFAULT};
 
 // If Pepper 3D Image Chromium is allowed, this feature controls whether it is
 // enabled.
 const base::Feature kPepper3DImageChromium {
   "Pepper3DImageChromium",
 #if defined(OS_MACOSX)
@@ skipping 149 matching lines @@
 #endif
 
 #if defined(OS_WIN)
 // Emergency "off switch" for new Windows sandbox security mitigation,
 // sandbox::MITIGATION_EXTENSION_POINT_DISABLE.
 const base::Feature kWinSboxDisableExtensionPoints{
     "WinSboxDisableExtensionPoint", base::FEATURE_ENABLED_BY_DEFAULT};
 #endif
 
 }  // namespace features