Plumb smooth scrolling in Chromium compositor

android_webview/browser/renderer_host/aw_render_view_host_ext.cc

Index: android_webview/browser/renderer_host/aw_render_view_host_ext.cc
diff --git a/android_webview/browser/renderer_host/aw_render_view_host_ext.cc b/android_webview/browser/renderer_host/aw_render_view_host_ext.cc
index bee4ece8ffecf7d5776a015202d08aadae569ff3..bdbfccd18d222bf7c5b55a88e01cfafd2b1d5b81 100644
--- a/android_webview/browser/renderer_host/aw_render_view_host_ext.cc
+++ b/android_webview/browser/renderer_host/aw_render_view_host_ext.cc
@@ -100,6 +100,13 @@ void AwRenderViewHostExt::SetJsOnlineProperty(bool network_up) {
   Send(new AwViewMsg_SetJsOnlineProperty(network_up));
 }
 
+void AwRenderViewHostExt::SmoothScroll(int target_x,
+                                       int target_y,
+                                       long duration_ms) {
+  Send(new AwViewMsg_SmoothScroll(web_contents()->GetRoutingID(), target_x,
+                                  target_y, duration_ms));
+}
+
 void AwRenderViewHostExt::RenderViewCreated(
     content::RenderViewHost* render_view_host) {
   Send(new AwViewMsg_SetBackgroundColor(web_contents()->GetRoutingID(),