Show GpuMemoryBuffer feature in chrome://gpu

content/browser/gpu/browser_gpu_memory_buffer_manager.h

Index: content/browser/gpu/browser_gpu_memory_buffer_manager.h
diff --git a/content/browser/gpu/browser_gpu_memory_buffer_manager.h b/content/browser/gpu/browser_gpu_memory_buffer_manager.h
index 18eb7d95f0672109bfb1e857f2b9334628f73f18..b64aef63adbeb0596717e65f787ca4f147e7b267 100644
--- a/content/browser/gpu/browser_gpu_memory_buffer_manager.h
+++ b/content/browser/gpu/browser_gpu_memory_buffer_manager.h
@@ -19,6 +19,8 @@ using GpuMemoryBufferConfigurationKey =
     std::pair<gfx::BufferFormat, gfx::BufferUsage>;
 using GpuMemoryBufferConfigurationSet =
     base::hash_set<GpuMemoryBufferConfigurationKey>;
+using GpuMemoryBufferConfigurationList =
+    std::list<GpuMemoryBufferConfigurationKey>;
 
 }  // content
 
@@ -93,6 +95,8 @@ class CONTENT_EXPORT BrowserGpuMemoryBufferManager
       uint32 sync_point);
   void ProcessRemoved(base::ProcessHandle process_handle, int client_id);
 
+  GpuMemoryBufferConfigurationList
+      GetNativeGpuMemoryBufferEnabledAndSupported() { return native_enabled_and_supported_;}
  private:
   struct BufferInfo {
     BufferInfo()
@@ -169,6 +173,7 @@ class CONTENT_EXPORT BrowserGpuMemoryBufferManager
   uint64_t ClientIdToTracingProcessId(int client_id) const;
 
   const GpuMemoryBufferConfigurationSet native_configurations_;
+  const GpuMemoryBufferConfigurationList native_enabled_and_supported_;
   const int gpu_client_id_;
   const uint64_t gpu_client_tracing_id_;