Mac CoreAnimation compositor in the browser process

content/browser/compositor/gpu_output_surface_mac.h

Index: content/browser/compositor/gpu_output_surface_mac.h
diff --git a/content/browser/compositor/gpu_output_surface_mac.h b/content/browser/compositor/gpu_output_surface_mac.h
index f5a65473a996df1569ad6797f420aa9d6eabb555..17820037306174ae132ab5ff59952e5867ecbdea 100644
--- a/content/browser/compositor/gpu_output_surface_mac.h
+++ b/content/browser/compositor/gpu_output_surface_mac.h
@@ -7,6 +7,10 @@
 
 #include "content/browser/compositor/gpu_surfaceless_browser_compositor_output_surface.h"
 
+namespace ui {
+class CALayerTreeCoordinator;
+}
+
 namespace content {
 
 class GpuOutputSurfaceMac
@@ -23,8 +27,10 @@ class GpuOutputSurfaceMac
   ~GpuOutputSurfaceMac() override;
 
   // cc::OutputSurface implementation.
+  void Reshape(const gfx::Size& size, float scale_factor, bool alpha) override;
   void SwapBuffers(cc::CompositorFrame* frame) override;
   bool SurfaceIsSuspendForRecycle() const override;
+  void ProcessCALayers(const cc::CALayerOverlayList& ca_layer_overlays) override;
 
   // BrowserCompositorOutputSurface implementation.
   void OnGpuSwapBuffersCompleted(
@@ -39,6 +45,8 @@ class GpuOutputSurfaceMac
   struct RemoteLayers;
   std::unique_ptr<RemoteLayers> remote_layers_;
 
+  std::unique_ptr<ui::CALayerTreeCoordinator> ca_layer_tree_coordinator_;
+
   enum ShouldShowFramesState {
     // Frames that come from the GPU process should appear on-screen.
     SHOULD_SHOW_FRAMES,