Add BrowserGpuMemoryBufferManager::BufferInfo::shared_memory_guid

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 b12409dabf541f6cf250e86b235ec702c759b23f..a58d59313de321dc5a003180ebc00951f95a5489 100644
--- a/content/browser/gpu/browser_gpu_memory_buffer_manager.h
+++ b/content/browser/gpu/browser_gpu_memory_buffer_manager.h
@@ -82,6 +82,7 @@ class CONTENT_EXPORT BrowserGpuMemoryBufferManager
     gfx::BufferFormat format = gfx::BufferFormat::RGBA_8888;
     gfx::BufferUsage usage = gfx::BufferUsage::GPU_READ;
     int gpu_host_id = 0;
+    base::UnguessableToken shared_memory_guid;
   };
 
   struct CreateGpuMemoryBufferRequest;