Replace OffscreenCanvasSurfaceClient with DisplayCompositorClient

cc/ipc/BUILD.gn

Index: cc/ipc/BUILD.gn
diff --git a/cc/ipc/BUILD.gn b/cc/ipc/BUILD.gn
index 42eaf444d11a0eabe11071c3d90a3a392fcb9c62..d5585cae3f65e4c110b9afb39ba002dd44d6b834 100644
--- a/cc/ipc/BUILD.gn
+++ b/cc/ipc/BUILD.gn
@@ -44,6 +44,7 @@ mojom("interfaces") {
     "compositor_frame_metadata.mojom",
     "copy_output_request.mojom",
     "copy_output_result.mojom",
+    "display_compositor.mojom",
     "filter_operation.mojom",
     "filter_operations.mojom",
     "frame_sink_id.mojom",
@@ -72,20 +73,6 @@ mojom("interfaces") {
   ]
 }
 
-# Interfaces between two privileged services.
-mojom("internal_interfaces") {
-  sources = [
-    "display_compositor.mojom",
-  ]
-
-  public_deps = [
-    ":interfaces",
-    "//gpu/ipc/common:interfaces",
-    "//ui/gfx/geometry/mojo",
-    "//ui/gfx/mojo",
-  ]
-}
-
 mojom("test_interfaces") {
   testonly = true
   sources = [