GpuInfo mojom struct and struct traits and unit test

gpu/ipc/common/traits_test_service.mojom

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 module gpu.mojom;
 
 import "gpu/ipc/common/dx_diag_node.mojom";
 import "gpu/ipc/common/gpu_info.mojom";
 import "gpu/ipc/common/mailbox.mojom";
 import "gpu/ipc/common/mailbox_holder.mojom";
 import "gpu/ipc/common/sync_token.mojom";
 
 // All functions on this interface echo their arguments to test StructTraits
 // serialization and deserialization.
 interface TraitsTestService {
 
   [Sync]
   EchoDxDiagNode(DxDiagNode d) => (DxDiagNode pass);
 
   [Sync]
   EchoGpuDevice(GpuDevice g) => (GpuDevice pass);
 
   [Sync]
+  EchoGpuInfo(GpuInfo g) => (GpuInfo pass);
+
+  [Sync]
   EchoMailbox(Mailbox m) => (Mailbox pass);
 
   [Sync]
   EchoMailboxHolder(MailboxHolder m) => (MailboxHolder pass);
 
   [Sync]
   EchoSyncToken(SyncToken s) => (SyncToken pass);
 
   [Sync]
   EchoVideoDecodeAcceleratorSupportedProfile(
     VideoDecodeAcceleratorSupportedProfile v) =>
       (VideoDecodeAcceleratorSupportedProfile pass);
 
   [Sync]
   EchoVideoDecodeAcceleratorCapabilities(
     VideoDecodeAcceleratorCapabilities v) =>
       (VideoDecodeAcceleratorCapabilities pass);
 
   [Sync]
   EchoVideoEncodeAcceleratorSupportedProfile(
     VideoEncodeAcceleratorSupportedProfile v) =>
       (VideoEncodeAcceleratorSupportedProfile pass);
 };