Move frame eviction into components

base/base_features.h

Index: base/base_features.h
diff --git a/base/base_features.h b/base/base_features.h
new file mode 100644
index 0000000000000000000000000000000000000000..a84404ef50bd684997bd06be45794d8f5f494741
--- /dev/null
+++ b/base/base_features.h
@@ -0,0 +1,27 @@
+// 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_