Revert of Add MemoryCoordinatorClient

third_party/WebKit/public/web/WebMemoryCoordinator.h

+// Copyright 2015 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 WebMemoryCoordinator_h
+#define WebMemoryCoordinator_h
+
+#include "public/platform/WebCommon.h"
+#include "public/platform/WebMemoryPressureLevel.h"
+
+namespace blink {
+
+class WebMemoryCoordinator {
+public:
+    // Called when a memory pressure notification is received.
+    BLINK_EXPORT static void onMemoryPressure(WebMemoryPressureLevel);
+};
+
+} // namespace blink
+
+#endif