Adds an interface to SurfaceHittestDelegate in order to override

content/browser/renderer_host/render_widget_host_input_event_router.cc

Index: content/browser/renderer_host/render_widget_host_input_event_router.cc
diff --git a/content/browser/renderer_host/render_widget_host_input_event_router.cc b/content/browser/renderer_host/render_widget_host_input_event_router.cc
index 67bbd4e1528e801023b0571c4054729aa7bd9452..92b07666a80d3b3c46a51db126c86faad0e43ccb 100644
--- a/content/browser/renderer_host/render_widget_host_input_event_router.cc
+++ b/content/browser/renderer_host/render_widget_host_input_event_router.cc
@@ -27,6 +27,15 @@ bool RenderWidgetHostInputEventRouter::HittestDelegate::RejectHitTarget(
   return false;
 }
 
+bool RenderWidgetHostInputEventRouter::HittestDelegate::AcceptHitTarget(
+    const cc::SurfaceDrawQuad* surface_quad,
+    const gfx::Point& point_in_quad_space) {
+  auto it = hittest_data_.find(surface_quad->surface_id);
+  if (it != hittest_data_.end() && !it->second.ignored_for_hittest)
+    return true;
+  return false;
+}
+
 RenderWidgetHostInputEventRouter::RenderWidgetHostInputEventRouter()
     : active_touches_(0) {}