Route touchmove existence notifications to the TouchEventQueue

content/renderer/render_widget.cc

Index: content/renderer/render_widget.cc
diff --git a/content/renderer/render_widget.cc b/content/renderer/render_widget.cc
index 285ca7f68e4847b0a02ed4ef02767444c6537b33..32c6c30002ffcad780a58ab2e965511d997df574 100644
--- a/content/renderer/render_widget.cc
+++ b/content/renderer/render_widget.cc
@@ -2315,8 +2315,23 @@ void RenderWidget::ObserveWheelEventAndResult(
   }
 }
 
-void RenderWidget::hasTouchEventHandlers(bool has_handlers) {
-  Send(new ViewHostMsg_HasTouchEventHandlers(routing_id_, has_handlers));
+void RenderWidget::hasEventHandlers(blink::WebEventHandlerClass handler_class,
+                                    bool has_handlers) {
+  // TODO(jdduke): Consider batching these notifications, posting a task
+  // to send them asynchronously.
+  switch (handler_class) {
+    case blink::WebEventHandlerClassTouch:
+      Send(new InputHostMsg_HasTouchEventHandlers(routing_id_, has_handlers));
+      break;
+
+    case blink::WebEventHandlerClassTouchMove:
+      Send(new InputHostMsg_HasTouchMoveEventHandlers(routing_id_,
+                                                      has_handlers));
+      break;
+
+    default:
+      break;
+  }
 }
 
 // Check blink::WebTouchAction and  blink::WebTouchActionAuto is kept in sync