Struct traits used by GpuInfo

gpu/ipc/common/dx_diag_node.mojom

Index: gpu/ipc/common/dx_diag_node.mojom
diff --git a/content/test/data/web_ui_test_mojo_bindings.mojom b/gpu/ipc/common/dx_diag_node.mojom
similarity index 52%
copy from content/test/data/web_ui_test_mojo_bindings.mojom
copy to gpu/ipc/common/dx_diag_node.mojom
index c5893828dd2fbf872eb28410fc1a8c503cf9ae7d..f0b52e1662a73e8126099bbdefedb7163b562208 100644
--- a/content/test/data/web_ui_test_mojo_bindings.mojom
+++ b/gpu/ipc/common/dx_diag_node.mojom
@@ -2,9 +2,11 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-module content.mojom;
+module gpu.mojom;
 
-interface BrowserTarget {
-  Start() => ();
-  Stop();
+// gpu/config/dx_diag_node.h
+// gpu::DxDiagNode
+struct DxDiagNode {
+  map<string, string> values;
+  map<string, DxDiagNode> children;
 };