Impl mus::mojom::GpuService to enable using Chrome IPC version gpu CmdBuf in mus

components/mus/gpu/BUILD.gn

Index: components/mus/gpu/BUILD.gn
diff --git a/components/mus/gpu/BUILD.gn b/components/mus/gpu/BUILD.gn
index bf2be789d9900aa183d9d7ab7b8b3fa1a9251519..1d66aa60d285d83828a848ef74e713fa3849355c 100644
--- a/components/mus/gpu/BUILD.gn
+++ b/components/mus/gpu/BUILD.gn
@@ -10,18 +10,23 @@ source_set("gpu") {
   output_name = "mus_gpu"
 
   sources = [
+    "gpu_memory_buffer_manager_mus_local.cc",
+    "gpu_memory_buffer_manager_mus_local.h",
+    "gpu_service_impl.cc",
+    "gpu_service_impl.h",
     "gpu_service_mus.cc",
     "gpu_service_mus.h",
-    "gpu_type_converters.cc",
-    "gpu_type_converters.h",
   ]
 
   deps = [
+    "//components/mus/common:mus_common",
     "//components/mus/public/interfaces",
     "//gpu/ipc/common",
     "//gpu/ipc/service",
     "//ipc",
+    "//media/gpu/ipc/service",
     "//mojo/public/cpp/system",
+    "//services/shell/public/cpp",
     "//ui/gfx:memory_buffer",
   ]
 }
@@ -35,8 +40,7 @@ group("tests") {
 
 test("mus_gpu_unittests") {
   sources = [
-    "gpu_type_converters_unittest.cc",
-    "run_all_shelltests.cc",
+    "../common/run_all_shelltests.cc",
   ]
 
   deps = [