Reland: Add MemoryCoordinator

components/memory_coordinator/common/memory_coordinator_features.cc

Index: components/memory_coordinator/common/memory_coordinator_features.cc
diff --git a/components/memory_coordinator/common/memory_coordinator_features.cc b/components/memory_coordinator/common/memory_coordinator_features.cc
new file mode 100644
index 0000000000000000000000000000000000000000..a5e892fe2472d9ca91f7df5ca5ebf350f8069864
--- /dev/null
+++ b/components/memory_coordinator/common/memory_coordinator_features.cc
@@ -0,0 +1,24 @@
+// Copyright 2016 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 "base/feature_list.h"
+
+namespace memory_coordinator {
+
+const base::Feature kMemoryCoordinator {
+  "MemoryCoordinator", base::FEATURE_DISABLED_BY_DEFAULT
+};
+
+bool IsEnabled() {
+  return base::FeatureList::IsEnabled(kMemoryCoordinator);
+}
+
+void EnableForTesting() {
+  base::FeatureList::ClearInstanceForTesting();
+  std::unique_ptr<base::FeatureList> feature_list(new base::FeatureList);
+  feature_list->InitializeFromCommandLine(kMemoryCoordinator.name, "");
+  base::FeatureList::SetInstance(std::move(feature_list));
+}
+
+}  // namespace memory_coordinator