Add hooks for flushing input from BeginFrame dispatch on Aura

content/browser/renderer_host/render_widget_host_impl.cc

Index: content/browser/renderer_host/render_widget_host_impl.cc
diff --git a/content/browser/renderer_host/render_widget_host_impl.cc b/content/browser/renderer_host/render_widget_host_impl.cc
index c89bba6c56f4cf3c9c60626f85bef724b0c5b06e..6447918739f2cc6036ca53c0af23b0e1ab4c7328 100644
--- a/content/browser/renderer_host/render_widget_host_impl.cc
+++ b/content/browser/renderer_host/render_widget_host_impl.cc
@@ -385,15 +385,10 @@ void RenderWidgetHostImpl::SuppressNextCharEvents() {
   suppress_next_char_events_ = true;
 }
 
-void RenderWidgetHostImpl::FlushInput() {
-  input_router_->RequestNotificationWhenFlushed();
+void RenderWidgetHostImpl::FlushInput(base::TimeTicks frame_time) {
   if (synthetic_gesture_controller_)
-    synthetic_gesture_controller_->Flush(base::TimeTicks::Now());
-}
-
-void RenderWidgetHostImpl::SetNeedsFlush() {
-  if (view_)
-    view_->OnSetNeedsFlushInput();
+    synthetic_gesture_controller_->Flush(frame_time);
+  input_router_->FlushInput(frame_time);
 }
 
 void RenderWidgetHostImpl::Init() {
@@ -1883,9 +1878,14 @@ void RenderWidgetHostImpl::OnHasTouchEventHandlers(bool has_handlers) {
   has_touch_handler_ = has_handlers;
 }
 
-void RenderWidgetHostImpl::DidFlush() {
+void RenderWidgetHostImpl::SetNeedsFlushInput() {
+  if (view_)
+    view_->OnSetNeedsFlushInput();
+}
+
+void RenderWidgetHostImpl::DidFlushAllInput() {
   if (synthetic_gesture_controller_)
-    synthetic_gesture_controller_->OnDidFlushInput();
+    synthetic_gesture_controller_->OnDidFlushAllInput();
 }
 
 void RenderWidgetHostImpl::DidOverscroll(const DidOverscrollParams& params) {