RendererCompositorFrameSink should handle local surface id allocation

content/browser/renderer_host/delegated_frame_host.h

Index: content/browser/renderer_host/delegated_frame_host.h
diff --git a/content/browser/renderer_host/delegated_frame_host.h b/content/browser/renderer_host/delegated_frame_host.h
index d7b120f29ba34c7366e8ca2a0aab73e3a2b232d7..4d4133b23705a31f2d9d747f7fd450591e9f6955 100644
--- a/content/browser/renderer_host/delegated_frame_host.h
+++ b/content/browser/renderer_host/delegated_frame_host.h
@@ -34,7 +34,6 @@ class TickClock;
 
 namespace cc {
 class CompositorFrameSinkSupport;
-class LocalSurfaceIdAllocator;
 }
 
 namespace media {
@@ -125,6 +124,7 @@ class CONTENT_EXPORT DelegatedFrameHost
   // Public interface exposed to RenderWidgetHostView.
 
   void SwapDelegatedFrame(uint32_t compositor_frame_sink_id,
+                          const cc::LocalSurfaceId& local_surface_id,
                           cc::CompositorFrame frame);
   void ClearDelegatedFrame();
   void WasHidden();
@@ -288,7 +288,6 @@ class CONTENT_EXPORT DelegatedFrameHost
   SkColor background_color_;
 
   // State for rendering into a Surface.
-  std::unique_ptr<cc::LocalSurfaceIdAllocator> id_allocator_;
   std::unique_ptr<cc::CompositorFrameSinkSupport> support_;
   gfx::Size current_surface_size_;
   float current_scale_factor_;