Reland: Don't treat first touch move differently from future touch moves

content/browser/renderer_host/input/touch_event_queue.h

Index: content/browser/renderer_host/input/touch_event_queue.h
diff --git a/content/browser/renderer_host/input/touch_event_queue.h b/content/browser/renderer_host/input/touch_event_queue.h
index ecb8fe83b4094a6e9a33bb23d9dff60d77763ecc..f1f52ace6951a940be4429d133f2c18f4cacfca1 100644
--- a/content/browser/renderer_host/input/touch_event_queue.h
+++ b/content/browser/renderer_host/input/touch_event_queue.h
@@ -245,6 +245,11 @@ class CONTENT_EXPORT TouchEventQueue {
   // mode.
   const TouchScrollingMode touch_scrolling_mode_;
 
+  // Whether or not a GestureScrollUpdate has been observed this touch
+  // sequence. When the first scroll update of the touch sequence is observed,
+  // we begin absorbing touch moves.
+  bool seen_scroll_update_this_sequence_;
+
   DISALLOW_COPY_AND_ASSIGN(TouchEventQueue);
 };