Remove dependency on SurfaceManager in FrameGenerator

services/ui/ws/platform_display_init_params.h

Index: services/ui/ws/platform_display_init_params.h
diff --git a/services/ui/ws/platform_display_init_params.h b/services/ui/ws/platform_display_init_params.h
index 9397cff7412cb7e0c6e50092fa4762dbb3d578f7..0e93d1fb9c27604cd5c1b81dede3f2e998053fa1 100644
--- a/services/ui/ws/platform_display_init_params.h
+++ b/services/ui/ws/platform_display_init_params.h
@@ -12,8 +12,6 @@
 
 namespace ui {
 
-class DisplayCompositor;
-
 namespace ws {
 
 class ServerWindow;
@@ -23,8 +21,6 @@ struct PlatformDisplayInitParams {
   PlatformDisplayInitParams(const PlatformDisplayInitParams& other);
   ~PlatformDisplayInitParams();
 
-  scoped_refptr<DisplayCompositor> display_compositor;
-
   int64_t display_id;
   ServerWindow* root_window = nullptr;
   display::ViewportMetrics metrics;