Add MemoryCoordinator

components/memory_coordinator/public/interfaces/memory_coordinator.mojom

Index: components/memory_coordinator/public/interfaces/memory_coordinator.mojom
diff --git a/components/memory_coordinator/public/interfaces/memory_coordinator.mojom b/components/memory_coordinator/public/interfaces/memory_coordinator.mojom
new file mode 100644
index 0000000000000000000000000000000000000000..d255edf4dfaaf3b9a62535c8794058771e41989c
--- /dev/null
+++ b/components/memory_coordinator/public/interfaces/memory_coordinator.mojom
@@ -0,0 +1,15 @@
+// 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.
+
+module memory_coordinator.mojom;
+
+import "components/memory_coordinator/public/interfaces/child_memory_coordinator.mojom";
+
+// MemoryCoordinator is responsible for the whole memory management accross the
+// browser and child proceeses. It will dispatch memory events to its clients
+// and child processes based on its best knowledge of the memory usage.
+interface MemoryCoordinator {
+  // TODO(bashi): Add NotifyMemoryPressure() message as decribed in
+  // https://goo.gl/qTtkRZ
+};