DirectCompositorFrameSink Uses CompositorFrameSinkSupport

content/browser/renderer_host/render_widget_host_view_android.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 "content/browser/renderer_host/render_widget_host_view_android.h"
 
 #include <android/bitmap.h>
 
 #include <utility>
 
@@ skipping 1472 matching lines @@
     return;
 
   observing_root_window_ = true;
   if (host_)
     host_->Send(new ViewMsg_SetBeginFramePaused(host_->GetRoutingID(), false));
   view_.GetWindowAndroid()->AddObserver(this);
   // When using browser compositor, DelegatedFrameHostAndroid provides the BFS.
   if (!using_browser_compositor_)
     SetBeginFrameSource(view_.GetWindowAndroid()->GetBeginFrameSource());
 
-  ui::WindowAndroidCompositor* compositor =
-      view_.GetWindowAndroid()->GetCompositor();
+  content::CompositorImpl* compositor =

[boliu, 2017/01/30 17:20:22]

nit: no need for content::

[Alex Z., 2017/01/30 20:37:49]

Done.

+      static_cast<CompositorImpl*>(view_.GetWindowAndroid()->GetCompositor());
   if (compositor) {

[Fady Samuel, 2017/01/29 15:43:02]

No need for {, } if block is a single statement.

[Alex Z., 2017/01/30 20:37:49]

Done.

-    delegated_frame_host_->RegisterFrameSinkHierarchy(
-        compositor->GetFrameSinkId());
+    compositor->AddChildFrameSink(delegated_frame_host_->GetFrameSinkId());
   }
 }
 
 void RenderWidgetHostViewAndroid::StopObservingRootWindow() {
   if (!(view_.GetWindowAndroid())) {
     DCHECK(!observing_root_window_);
     return;
   }
 
   if (!observing_root_window_)
@@ skipping 559 matching lines @@
   ui::WindowAndroidCompositor* compositor = window_android->GetCompositor();
   if (!compositor)
     return;
 
   overscroll_controller_ = base::MakeUnique<OverscrollControllerAndroid>(
       overscroll_refresh_handler, compositor,
       ui::GetScaleFactorForNativeView(GetNativeView()));
 }
 
 }  // namespace content