diff --git content/browser/renderer_host/input/fling_scheduler.cc content/browser/renderer_host/input/fling_scheduler.cc index c7a4f1f0c3d0..7e6e3b4e56d4 100644 --- content/browser/renderer_host/input/fling_scheduler.cc +++ content/browser/renderer_host/input/fling_scheduler.cc @@ -68,6 +68,9 @@ void FlingScheduler::ProgressFlingOnBeginFrameIfneeded( } ui::Compositor* FlingScheduler::GetCompositor() { + if (compositor_) { + return compositor_; + } #if defined(USE_AURA) if (host_->GetView() && host_->GetView()->GetNativeView() && host_->GetView()->GetNativeView()->GetHost() && diff --git content/browser/renderer_host/input/fling_scheduler_base.h content/browser/renderer_host/input/fling_scheduler_base.h index cc4b13a7b9c6..84f3b9ed7cf4 100644 --- content/browser/renderer_host/input/fling_scheduler_base.h +++ content/browser/renderer_host/input/fling_scheduler_base.h @@ -7,12 +7,23 @@ #include "content/browser/renderer_host/input/fling_controller.h" +namespace ui { +class Compositor; +} + namespace content { class FlingSchedulerBase : public FlingControllerSchedulerClient { public: virtual void ProgressFlingOnBeginFrameIfneeded( base::TimeTicks current_time) = 0; + + void SetCompositor(ui::Compositor* compositor) { + compositor_ = compositor; + } + +protected: + ui::Compositor* compositor_ = nullptr; }; } // namespace content diff --git content/browser/renderer_host/render_widget_host_impl.cc content/browser/renderer_host/render_widget_host_impl.cc index 5ad66a6af94f..501a4dc07a9f 100644 --- content/browser/renderer_host/render_widget_host_impl.cc +++ content/browser/renderer_host/render_widget_host_impl.cc @@ -2746,6 +2746,11 @@ void RenderWidgetHostImpl::DidStartScrollingViewport() { view_->set_is_currently_scrolling_viewport(true); } +void RenderWidgetHostImpl::SetCompositorForFlingScheduler(ui::Compositor* compositor) +{ + fling_scheduler_->SetCompositor(compositor); +} + void RenderWidgetHostImpl::AddPendingUserActivation( const WebInputEvent& event) { if ((base::FeatureList::IsEnabled( diff --git content/browser/renderer_host/render_widget_host_impl.h content/browser/renderer_host/render_widget_host_impl.h index 013b2165038f..28d33768143f 100644 --- content/browser/renderer_host/render_widget_host_impl.h +++ content/browser/renderer_host/render_widget_host_impl.h @@ -731,6 +731,7 @@ class CONTENT_EXPORT RenderWidgetHostImpl void ProgressFlingIfNeeded(base::TimeTicks current_time); void StopFling(); + void SetCompositorForFlingScheduler(ui::Compositor* compositor); // The RenderWidgetHostImpl will keep showing the old page (for a while) after // navigation until the first frame of the new page arrives. This reduces