Implement MusGpuMemoryBufferManager

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 2449fcce476d2c05ac4bb28225e2637bff9f6344..8ba5cabfd1e22e91caf23003ebca2d85bf5fc774 100644
--- a/components/mus/gpu/BUILD.gn
+++ b/components/mus/gpu/BUILD.gn
@@ -2,6 +2,7 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
+import("//build/config/ui.gni")
 import("//mojo/public/mojo_application_manifest.gni")
 import("//testing/test.gni")
 
@@ -13,6 +14,8 @@ source_set("gpu") {
     "gpu_service_impl.h",
     "gpu_service_mus.cc",
     "gpu_service_mus.h",
+    "mus_gpu_memory_buffer_manager.cc",
+    "mus_gpu_memory_buffer_manager.h",
   ]
 
   deps = [
@@ -27,6 +30,10 @@ source_set("gpu") {
     "//ui/gfx:memory_buffer",
     "//ui/gl/init",
   ]
+
+  if (use_ozone) {
+    deps += [ "//ui/ozone:ozone" ]
+  }
 }
 
 group("tests") {