gfx: Fix sending native ozone pixmaps from InProcessCommandBuffer.

ui/gfx/native_pixmap_handle.cc

Index: ui/gfx/native_pixmap_handle.cc
diff --git a/ui/gfx/native_pixmap_handle.cc b/ui/gfx/native_pixmap_handle.cc
index f0144a84c02a2e4b0baf9b4b6b1ee28f620fdd4a..c58c38bdf099f58b575fa963b0c58f429097dbdd 100644
--- a/ui/gfx/native_pixmap_handle.cc
+++ b/ui/gfx/native_pixmap_handle.cc
@@ -2,10 +2,12 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include <stdint.h>
-
 #include "ui/gfx/native_pixmap_handle.h"
 
+#if defined(USE_OZONE)
+#include "base/posix/eintr_wrapper.h"
+#endif
+
 namespace gfx {
 
 NativePixmapPlane::NativePixmapPlane()
@@ -27,4 +29,23 @@ NativePixmapHandle::NativePixmapHandle(const NativePixmapHandle& other) =
 
 NativePixmapHandle::~NativePixmapHandle() {}
 
+#if defined(USE_OZONE)
+NativePixmapHandle CloneHandleForIPC(const NativePixmapHandle& handle) {
+  NativePixmapHandle clone;
+  std::vector<base::ScopedFD> scoped_fds;
+  for (auto& fd : handle.fds) {
+    base::ScopedFD scoped_fd(HANDLE_EINTR(dup(fd.fd)));
+    if (!scoped_fd.is_valid()) {
+      PLOG(ERROR) << "dup";
+      return NativePixmapHandle();
+    }
+    scoped_fds.emplace_back(std::move(scoped_fd));
+  }
+  for (auto& scoped_fd : scoped_fds)
+    clone.fds.emplace_back(scoped_fd.release(), true /* auto_close */);
+  clone.planes = handle.planes;
+  return clone;
+}
+#endif  // defined(USE_OZONE)
+
 }  // namespace gfx