Implement MusGpuMemoryBufferManager

components/mus/gpu/DEPS

Index: components/mus/gpu/DEPS
diff --git a/components/mus/gpu/DEPS b/components/mus/gpu/DEPS
index a2a975829baac11791ce45e2ef17bbb84cf6a2e9..004a2b9f68ff208a0d6f3ca91a90ed91a2816c79 100644
--- a/components/mus/gpu/DEPS
+++ b/components/mus/gpu/DEPS
@@ -2,8 +2,20 @@ include_rules = [
   "+gpu/command_buffer",
   "+gpu/config",
   "+gpu/ipc/common",
-  # a GpuChannelHost is used by mus locally.
   "+gpu/ipc/client/gpu_channel_host.h",
   "+gpu/ipc/service",
   "+media/gpu/ipc/service",
 ]
+
+specific_include_rules = {
+  "gpu_service_mus\.h": [
+    # A GpuChannelHost is used by mus locally.
+    "+gpu/ipc/client/gpu_channel_host.h",
+  ],
+
+  "mus_gpu_memory_buffer_manager\.cc": [
+    # The GpuMemoryBufferManager implementation used by mus locally.
+    "+gpu/ipc/client/gpu_memory_buffer_impl.h",
+    "+gpu/ipc/client/gpu_memory_buffer_impl_shared_memory.h",
+  ]
+}