Signal input flush when all flings have terminated

content/browser/renderer_host/input/input_router_client.h

Index: content/browser/renderer_host/input/input_router_client.h
diff --git a/content/browser/renderer_host/input/input_router_client.h b/content/browser/renderer_host/input/input_router_client.h
index 310e6db5ab0a55f3491d137c7601b34be5c25f58..dd3c6a0a3820b4661682c5e3dfe4ff1ea4508174 100644
--- a/content/browser/renderer_host/input/input_router_client.h
+++ b/content/browser/renderer_host/input/input_router_client.h
@@ -42,11 +42,6 @@ class CONTENT_EXPORT InputRouterClient {
   // Called when the renderer notifies that it has touch event handlers.
   virtual void OnHasTouchEventHandlers(bool has_handlers) = 0;
 
-  // Certain router implementations require periodic flushing of queued events.
-  // When this method is called, the client should ensure a timely call, either
-  // synchronous or asynchronous, of |Flush| on the InputRouter.
-  virtual void SetNeedsFlush() = 0;
-
   // Called when the router has finished flushing all events queued at the time
   // of the call to Flush.  The call will typically be asynchronous with
   // respect to the call to |Flush| on the InputRouter.
@@ -55,6 +50,9 @@ class CONTENT_EXPORT InputRouterClient {
   // Called when the router has received an overscroll notification from the
   // renderer.
   virtual void DidOverscroll(const DidOverscrollParams& params) = 0;
+
+  // Called when a renderer fling has terminated.
+  virtual void DidStopFlinging() = 0;
 };
 
 } // namespace content