Disable tap suppression controller on Android WebView

content/browser/renderer_host/input/input_router_config_helper.cc

Index: content/browser/renderer_host/input/input_router_config_helper.cc
diff --git a/content/browser/renderer_host/input/input_router_config_helper.cc b/content/browser/renderer_host/input/input_router_config_helper.cc
index d3b229639d4caea9b67d13d6a56e45ff79a8ca30..bc31c98e01d864e01329132592cf82b8ce812ba4 100644
--- a/content/browser/renderer_host/input/input_router_config_helper.cc
+++ b/content/browser/renderer_host/input/input_router_config_helper.cc
@@ -100,10 +100,18 @@ TouchEventQueue::Config GetTouchEventQueueConfig() {
 
 }  // namespace
 
-InputRouterImpl::Config GetInputRouterConfigForPlatform() {
+InputRouterImpl::Config GetInputRouterConfigForPlatform(
+    bool has_browser_compositor) {
   InputRouterImpl::Config config;
   config.gesture_config = GetGestureEventQueueConfig();
+#if defined(OS_ANDROID)
+  config.gesture_config.touchscreen_tap_suppression_config.enabled &=
+      has_browser_compositor;
+#endif
   config.touch_config = GetTouchEventQueueConfig();
+  // Disable tap suppression controller on Android WebView, because the WebView
+  // app can customize fling/scroll, and never ticks the animation, thus
+  // confusing tap suppression controller.
   return config;
 }