SyntheticGestureTarget implementation for injecting synthetic input events

content/browser/renderer_host/render_widget_host_view_aura.cc

Index: content/browser/renderer_host/render_widget_host_view_aura.cc
diff --git a/content/browser/renderer_host/render_widget_host_view_aura.cc b/content/browser/renderer_host/render_widget_host_view_aura.cc
index 2d56a3ff80924664c3e12b1c0735315bb3cd6261..09664f4d224fced90b87b5ca1be97311c2ea8074 100644
--- a/content/browser/renderer_host/render_widget_host_view_aura.cc
+++ b/content/browser/renderer_host/render_widget_host_view_aura.cc
@@ -25,6 +25,7 @@
 #include "content/browser/gpu/compositor_util.h"
 #include "content/browser/renderer_host/backing_store_aura.h"
 #include "content/browser/renderer_host/dip_util.h"
+#include "content/browser/renderer_host/input/synthetic_gesture_target_aura.h"
 #include "content/browser/renderer_host/overscroll_controller.h"
 #include "content/browser/renderer_host/render_view_host_delegate.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
@@ -2129,6 +2130,11 @@ void RenderWidgetHostViewAura::ProcessAckedTouchEvent(
   }
 }
 
+SyntheticGestureTarget*
+RenderWidgetHostViewAura::CreateSyntheticGestureTarget() {
+  return new SyntheticGestureTargetAura(this);
+}
+
 SyntheticGesture* RenderWidgetHostViewAura::CreateSmoothScrollGesture(
     bool scroll_down,
     int pixels_to_scroll,