Add MemoryCoordinatorClient

third_party/WebKit/Source/core/dom/MemoryCoordinator.h

Index: third_party/WebKit/Source/core/dom/MemoryCoordinator.h
diff --git a/third_party/WebKit/Source/core/dom/MemoryCoordinator.h b/third_party/WebKit/Source/core/dom/MemoryCoordinator.h
deleted file mode 100644
index 104a54cd3913334723ec80256847ee6b322f3e54..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/core/dom/MemoryCoordinator.h
+++ /dev/null
@@ -1,30 +0,0 @@
-// 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 MemoryCoordinator_h
-#define MemoryCoordinator_h
-
-#include "core/CoreExport.h"
-#include "public/platform/WebMemoryPressureLevel.h"
-#include "wtf/Noncopyable.h"
-
-namespace blink {
-
-// MemoryCoordinator listens to some events which could be opportunities
-// for reducing memory consumption and notifies its clients.
-class CORE_EXPORT MemoryCoordinator final {
-    WTF_MAKE_NONCOPYABLE(MemoryCoordinator);
-public:
-    static MemoryCoordinator& instance();
-
-    void onMemoryPressure(WebMemoryPressureLevel);
-
-private:
-    MemoryCoordinator();
-    ~MemoryCoordinator();
-};
-
-} // namespace blink
-
-#endif // MemoryCoordinator_h