Move frame eviction into components

base/base_features.h

+// Copyright 2017 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.
+
+#ifndef BASE_BASE_FEATURES_H_
+#define BASE_BASE_FEATURES_H_
+
+// This file defines all the base::FeatureList features for the Password Manager
+// module.
+
+#include "base/base_export.h"
+#include "base/feature_list.h"
+
+namespace base {
+
+namespace features {
+
+// All features in alphabetical order. The features should be documented
+// alongside the definition of their values in the .cc file.
+
+BASE_EXPORT extern const base::Feature kMemoryCoordinator;
+
+}  // namespace features
+
+}  // namespace base
+
+#endif  // BASE_BASE_FEATURES_H_