Disable tap suppression controller on Android WebView

content/browser/renderer_host/input/input_router_config_helper.cc

 // Copyright 2014 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/browser/renderer_host/input/input_router_config_helper.h"
 
 #include "base/command_line.h"
 #include "content/public/common/content_switches.h"
 #include "ui/events/gesture_detection/gesture_detector.h"
 
@@ skipping 82 matching lines @@
 }
 
 TouchEventQueue::Config GetTouchEventQueueConfig() {
   return TouchEventQueue::Config();
 }
 
 #endif
 
 }  // 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;
 }
 
 }  // namespace content