Cleanup: decouple web_input_event_aura and ui_events_helper

content/browser/renderer_host/ui_events_helper.h

Index: content/browser/renderer_host/ui_events_helper.h
diff --git a/content/browser/renderer_host/ui_events_helper.h b/content/browser/renderer_host/ui_events_helper.h
index fc57dd7a9e7df55842af515ba3e391a33fa95b1b..dc92483d8a53c2fde8b02b25b1acd2123dea1dc0 100644
--- a/content/browser/renderer_host/ui_events_helper.h
+++ b/content/browser/renderer_host/ui_events_helper.h
@@ -9,14 +9,7 @@
 #include "content/browser/renderer_host/event_with_latency_info.h"
 #include "content/common/content_export.h"
 
-namespace blink {
-class WebGestureEvent;
-class WebTouchEvent;
-class WebTouchPoint;
-}
-
 namespace ui {
-class GestureEvent;
 class TouchEvent;
 }
 
@@ -42,12 +35,6 @@ CONTENT_EXPORT bool MakeUITouchEventsFromWebTouchEvents(
     ScopedVector<ui::TouchEvent>* list,
     TouchEventCoordinateSystem coordinate_system);
 
-// Creates a WebGestureEvent from a ui::GestureEvent. Note that it does not
-// populate the event coordinates (i.e. |x|, |y|, |globalX|, and |globalY|). So
-// the caller must populate these fields.
-blink::WebGestureEvent MakeWebGestureEventFromUIEvent(
-    const ui::GestureEvent& event);
-
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_UI_EVENTS_HELPER_H_