Cleanup checking for wheel gesture flags.

content/renderer/gpu/render_widget_compositor.cc

Index: content/renderer/gpu/render_widget_compositor.cc
diff --git a/content/renderer/gpu/render_widget_compositor.cc b/content/renderer/gpu/render_widget_compositor.cc
index 063e2dd6ea31f3ce53993ec1894aa9d34b6787ad..0f049dfe09dbda98adc7a60a15ff1e91b028c89a 100644
--- a/content/renderer/gpu/render_widget_compositor.cc
+++ b/content/renderer/gpu/render_widget_compositor.cc
@@ -44,6 +44,7 @@
 #include "components/scheduler/renderer/renderer_scheduler.h"
 #include "content/common/content_switches_internal.h"
 #include "content/common/gpu/client/context_provider_command_buffer.h"
+#include "content/common/input/input_event_utils.h"
 #include "content/public/common/content_switches.h"
 #include "content/renderer/gpu/render_widget_compositor_delegate.h"
 #include "content/renderer/input/input_handler_manager.h"
@@ -257,8 +258,7 @@ void RenderWidgetCompositor::Initialize(float device_scale_factor) {
   blink::WebRuntimeFeatures::enableCompositorAnimationTimelines(
       settings.use_compositor_animation_timelines);
 
-  settings.use_mouse_wheel_gestures =
-      cmd->HasSwitch(switches::kEnableWheelGestures);
+  settings.use_mouse_wheel_gestures = UseGestureBasedWheelScrolling();
 
   settings.default_tile_size = CalculateDefaultTileSize(device_scale_factor);
   if (cmd->HasSwitch(switches::kDefaultTileWidth)) {