Android: Decouple animate from vsync

content/browser/renderer_host/render_widget_host_view_android.cc

Index: content/browser/renderer_host/render_widget_host_view_android.cc
diff --git a/content/browser/renderer_host/render_widget_host_view_android.cc b/content/browser/renderer_host/render_widget_host_view_android.cc
index 47309d4420e11b2bbe41e524571d73b894436936..13c58f5d277765d46061ebb0ed37a0eeee35c4d0 100644
--- a/content/browser/renderer_host/render_widget_host_view_android.cc
+++ b/content/browser/renderer_host/render_widget_host_view_android.cc
@@ -1032,7 +1032,7 @@ void RenderWidgetHostViewAndroid::RemoveLayers() {
 }
 
 void RenderWidgetHostViewAndroid::SetNeedsAnimate() {
-  content_view_core_->GetWindowAndroid()->RequestVSyncUpdate();
+  content_view_core_->GetWindowAndroid()->SetNeedsAnimate();
 }
 
 bool RenderWidgetHostViewAndroid::Animate(base::TimeTicks frame_time) {
@@ -1336,12 +1336,15 @@ void RenderWidgetHostViewAndroid::OnVSync(base::TimeTicks frame_time,
       host_->GetRoutingID(),
       cc::BeginFrameArgs::Create(frame_time, deadline, vsync_period)));
 
-  // TODO(sievers): This should use the LayerTreeHostClient callback
-  bool needs_animate = Animate(frame_time);
-  if (needs_begin_frame_ || needs_animate)
+  if (needs_begin_frame_)
     content_view_core_->GetWindowAndroid()->RequestVSyncUpdate();
 }
 
+void RenderWidgetHostViewAndroid::OnAnimate(base::TimeTicks frame_begin_time) {
+  if (Animate(frame_begin_time))
+    SetNeedsAnimate();
+}
+
 void RenderWidgetHostViewAndroid::OnLostResources() {
   ReleaseLocksOnSurface();
   if (layer_.get())