ozone: ClientPixmapManager passes VGEM fd from browser to renderer.

content/child/child_client_native_pixmap_manager_message_filter_ozone.cc

Index: content/child/child_client_native_pixmap_manager_message_filter_ozone.cc
diff --git a/content/child/child_client_native_pixmap_manager_message_filter_ozone.cc b/content/child/child_client_native_pixmap_manager_message_filter_ozone.cc
new file mode 100644
index 0000000000000000000000000000000000000000..7378a4d4d7cd4f01b82d3a468d1db30615504550
--- /dev/null
+++ b/content/child/child_client_native_pixmap_manager_message_filter_ozone.cc
@@ -0,0 +1,45 @@
+// Copyright 2015 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.
+
+#include "content/child/child_client_native_pixmap_manager_message_filter_ozone.h"
+
+#include "base/files/scoped_file.h"
+#include "content/child/child_client_native_pixmap_manager_ozone.h"
+#include "content/common/gpu/client_native_pixmap_manager_ozone_messages.h"
+#include "ipc/ipc_message_macros.h"
+
+namespace content {
+
+ChildClientNativePixmapManagerMessageFilter::
+    ChildClientNativePixmapManagerMessageFilter() {}
+
+ChildClientNativePixmapManagerMessageFilter::
+    ~ChildClientNativePixmapManagerMessageFilter() {}
+
+void ChildClientNativePixmapManagerMessageFilter::OnSetVirtualDevice(
+    const base::FileDescriptor& virtual_device) {
+  if (!ui::ClientNativePixmapManager::GetInstance()) {
+    ChildClientNativePixmapManager::GetInstance()->Initialize(virtual_device);
+    ui::ClientNativePixmapManager::SetInstance(
+        ChildClientNativePixmapManager::GetInstance());
+  } else {
+    // Many child threads can live in the same process. e.g. --single-process
+    if (virtual_device.auto_close) {
+      base::ScopedFD closing_fd(virtual_device.fd);
+    }
+  }
+}
+
+bool ChildClientNativePixmapManagerMessageFilter::OnMessageReceived(
+    const IPC::Message& message) {
+  bool handled = true;
+  IPC_BEGIN_MESSAGE_MAP(ChildClientNativePixmapManagerMessageFilter, message)
+    IPC_MESSAGE_HANDLER(ChildClientNativePixmapManagerMsg_SetVirtualDevice,
+                        OnSetVirtualDevice)
+    IPC_MESSAGE_UNHANDLED(handled = false)
+  IPC_END_MESSAGE_MAP()
+  return handled;
+}
+
+}  // namespace content