Add "Supports overlays" information to about:gpu.

gpu/ipc/common/gpu_info_struct_traits.h

 // 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.
 
 #ifndef CC_IPC_GPU_STRUCT_TRAITS_H_
 #define CC_IPC_GPU_STRUCT_TRAITS_H_
 
 #include "base/time/time.h"
 #include "gpu/config/gpu_info.h"
 #include "gpu/ipc/common/dx_diag_node_struct_traits.h"
@@ skipping 222 matching lines @@
   }
 
   static bool in_process_gpu(const gpu::GPUInfo& input) {
     return input.in_process_gpu;
   }
 
   static bool passthrough_cmd_decoder(const gpu::GPUInfo& input) {
     return input.passthrough_cmd_decoder;
   }
 
+  static bool supports_overlays(const gpu::GPUInfo& input) {
+    return input.supports_overlays;
+  }
+
   static gpu::CollectInfoResult basic_info_state(const gpu::GPUInfo& input) {
     return input.basic_info_state;
   }
 
   static gpu::CollectInfoResult context_info_state(const gpu::GPUInfo& input) {
     return input.context_info_state;
   }
 #if defined(OS_WIN)
   static const gpu::DxDiagNode& dx_diagnostics(const gpu::GPUInfo& input) {
     return input.dx_diagnostics;
@@ skipping 39 matching lines @@
   static uint64_t rgba_visual(const gpu::GPUInfo& input) {
 #if defined(USE_X11) && !defined(OS_CHROMEOS)
     return input.rgba_visual;
 #endif
     return 0;
   }
 };
 
 }  // namespace mojo
 #endif  // CC_IPC_GPU_STRUCT_TRAITS_H_