Move touch slop suppression to TouchEventManager

content/browser/renderer_host/input/legacy_touch_event_queue.h

Index: content/browser/renderer_host/input/legacy_touch_event_queue.h
diff --git a/content/browser/renderer_host/input/legacy_touch_event_queue.h b/content/browser/renderer_host/input/legacy_touch_event_queue.h
index 16ab57ad030af9d04eb591787adb11b2f135cfe3..60f9c6b7f373a0b20baf212e7cacd2bf321f2d5f 100644
--- a/content/browser/renderer_host/input/legacy_touch_event_queue.h
+++ b/content/browser/renderer_host/input/legacy_touch_event_queue.h
@@ -96,7 +96,6 @@ class CONTENT_EXPORT LegacyTouchEventQueue : public TouchEventQueue {
 
  private:
   class TouchTimeoutHandler;
-  class TouchMoveSlopSuppressor;
   friend class TouchTimeoutHandler;
   friend class TouchEventQueueTest;
 
@@ -181,10 +180,6 @@ class CONTENT_EXPORT LegacyTouchEventQueue : public TouchEventQueue {
   // Optional handler for timed-out touch event acks.
   std::unique_ptr<TouchTimeoutHandler> timeout_handler_;
 
-  // Suppression of TouchMove's within a slop region when a sequence has not yet
-  // been preventDefaulted.
-  std::unique_ptr<TouchMoveSlopSuppressor> touchmove_slop_suppressor_;
-
   // Whether touch events should remain buffered and dispatched asynchronously
   // while a scroll sequence is active.  In this mode, touchmove's are throttled
   // and ack'ed immediately, but remain buffered in |pending_async_touchmove_|