Plumb smooth scrolling in Chromium compositor

android_webview/browser/renderer_host/aw_render_view_host_ext.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "android_webview/browser/renderer_host/aw_render_view_host_ext.h"
 
 #include "android_webview/browser/aw_browser_context.h"
 #include "android_webview/browser/scoped_allow_wait_for_legacy_web_view_api.h"
 #include "android_webview/common/render_view_messages.h"
 #include "base/android/scoped_java_ref.h"
@@ skipping 82 matching lines @@
   if (web_contents()->GetRenderViewHost()) {
     Send(new AwViewMsg_SetBackgroundColor(web_contents()->GetRoutingID(),
                                           background_color_));
   }
 }
 
 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(),
                                         background_color_));
 }
 
 void AwRenderViewHostExt::RenderProcessGone(base::TerminationStatus status) {
   DCHECK(CalledOnValidThread());
   for (std::map<int, DocumentHasImagesResult>::iterator pending_req =
            pending_document_has_images_requests_.begin();
@@ skipping 53 matching lines @@
 void AwRenderViewHostExt::OnPageScaleFactorChanged(float page_scale_factor) {
   client_->OnWebLayoutPageScaleFactorChanged(page_scale_factor);
 }
 
 void AwRenderViewHostExt::OnContentsSizeChanged(
     const gfx::Size& contents_size) {
   client_->OnWebLayoutContentsSizeChanged(contents_size);
 }
 
 }  // namespace android_webview