ozone: ClientPixmapManager passes VGEM fd from browser to renderer.

content/browser/renderer_host/render_process_host_impl.cc

Index: content/browser/renderer_host/render_process_host_impl.cc
diff --git a/content/browser/renderer_host/render_process_host_impl.cc b/content/browser/renderer_host/render_process_host_impl.cc
index 3a1d967db9cc329f5cc420befe0e4d1ada0baa45..74333fd2753431e93fb6272ec0c13e7c506ed753 100644
--- a/content/browser/renderer_host/render_process_host_impl.cc
+++ b/content/browser/renderer_host/render_process_host_impl.cc
@@ -190,6 +190,8 @@
 #endif
 
 #if defined(USE_OZONE)
+#include "ui/ozone/public/client_native_pixmap_factory.h"
+#include "ui/ozone/public/ozone_platform.h"
 #include "ui/ozone/public/ozone_switches.h"
 #endif
 
@@ -1600,6 +1602,12 @@ void RenderProcessHostImpl::OnChannelConnected(int32 peer_pid) {
           GetID());
   Send(new ChildProcessMsg_SetIOSurfaceManagerToken(io_surface_manager_token_));
 #endif
+#if defined(USE_OZONE)
+  auto device_fd =
+      ui::OzonePlatform::GetInstance()->OpenClientNativePixmapDevice();
+  Send(new ChildProcessMsg_InitializeClientNativePixmapFactory(
+      base::FileDescriptor(device_fd.Pass())));
+#endif
 }
 
 void RenderProcessHostImpl::OnChannelError() {