refactor: rename the atom directory to shell

shell/browser/pref_store_delegate.cc

@@ -0,0 +1,30 @@
+// 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/pref_store_delegate.h"
+
+#include <utility>
+
+#include "atom/browser/atom_browser_context.h"
+#include "components/prefs/value_map_pref_store.h"
+
+namespace atom {
+
+PrefStoreDelegate::PrefStoreDelegate(
+    base::WeakPtr<AtomBrowserContext> browser_context)
+    : browser_context_(std::move(browser_context)) {}
+
+PrefStoreDelegate::~PrefStoreDelegate() {
+  if (browser_context_)
+    browser_context_->set_in_memory_pref_store(nullptr);
+}
+
+void PrefStoreDelegate::UpdateCommandLinePrefStore(
+    PrefStore* command_line_prefs) {
+  if (browser_context_)
+    browser_context_->set_in_memory_pref_store(
+        static_cast<ValueMapPrefStore*>(command_line_prefs));
+}
+
+}  // namespace atom