Revert of Reland: 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
deleted file mode 100644
index f56250ac5f06f01e26b1aad87ae3998b61c9d8f3..0000000000000000000000000000000000000000
--- a/components/memory_coordinator/public/interfaces/memory_coordinator.mojom
+++ /dev/null
@@ -1,14 +0,0 @@
-// 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";
-
-// An interface to access the central memory coordinator from a child process.
-// The browser process creates a handle for each child process.
-interface MemoryCoordinatorHandle {
-  // A child process calls this method when ChildMemoryCoordinator is created.
-  AddChild(ChildMemoryCoordinator child);
-};