Revert of scheduler: Detect single event gestures correctly

content/renderer/input/render_widget_input_handler_delegate.h

Index: content/renderer/input/render_widget_input_handler_delegate.h
diff --git a/content/renderer/input/render_widget_input_handler_delegate.h b/content/renderer/input/render_widget_input_handler_delegate.h
index ad3518874f349b2a8d9291092ac489ec2b0e7351..d1fd030b3789ed8ccdf52b1cbfe7fe283929077d 100644
--- a/content/renderer/input/render_widget_input_handler_delegate.h
+++ b/content/renderer/input/render_widget_input_handler_delegate.h
@@ -9,7 +9,6 @@
 
 #include "content/common/content_export.h"
 #include "content/common/input/input_event_ack.h"
-#include "third_party/WebKit/public/platform/WebInputEventResult.h"
 
 namespace blink {
 class WebGestureEvent;
@@ -57,7 +56,6 @@
   // (DISPATCH_TYPE_*_NOTIFY_MAIN) of |handled_type| has been processed
   // by the main thread.
   virtual void NotifyInputEventHandled(blink::WebInputEvent::Type handled_type,
-                                       blink::WebInputEventResult result,
                                        InputEventAckState ack_result) = 0;
 
   // Notifies the delegate of the |input_handler| managing it.