Provided batched input delivery with a BufferedInputRouter

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 edd21fe5987575faff070ae5dc9e50fd355d00f0..23fb5e2f55c8d0a943e1b2d12875ddb79bb5ba73 100644
--- a/content/browser/renderer_host/render_widget_host_impl.cc
+++ b/content/browser/renderer_host/render_widget_host_impl.cc
@@ -28,6 +28,7 @@
 #include "content/browser/renderer_host/backing_store.h"
 #include "content/browser/renderer_host/backing_store_manager.h"
 #include "content/browser/renderer_host/dip_util.h"
+#include "content/browser/renderer_host/input/buffered_input_router.h"
 #include "content/browser/renderer_host/input/immediate_input_router.h"
 #include "content/browser/renderer_host/overscroll_controller.h"
 #include "content/browser/renderer_host/render_process_host_impl.h"
@@ -2127,6 +2128,12 @@ void RenderWidgetHostImpl::OnUnexpectedEventAck(bool bad_message) {
   suppress_next_char_events_ = false;
 }
 
+void RenderWidgetHostImpl::SetNeedsFlush() {
+}
+
+void RenderWidgetHostImpl::DidFlush() {
+}
+
 const gfx::Vector2d& RenderWidgetHostImpl::GetLastScrollOffset() const {
   return last_scroll_offset_;
 }