refactor: rename the atom directory to shell

shell/browser/ui/cocoa/delayed_native_view_host.cc

@@ -0,0 +1,21 @@
+// Copyright (c) 2018 GitHub, Inc.
+// Use of this source code is governed by the MIT license that can be
+// found in the LICENSE file.
+
+#include "atom/browser/ui/cocoa/delayed_native_view_host.h"
+
+namespace atom {
+
+DelayedNativeViewHost::DelayedNativeViewHost(gfx::NativeView native_view)
+    : native_view_(native_view) {}
+
+DelayedNativeViewHost::~DelayedNativeViewHost() {}
+
+void DelayedNativeViewHost::ViewHierarchyChanged(
+    const views::ViewHierarchyChangedDetails& details) {
+  NativeViewHost::ViewHierarchyChanged(details);
+  if (details.is_add && GetWidget())
+    Attach(native_view_);
+}
+
+}  // namespace atom