[Experiment] purge-and-suspend

third_party/WebKit/Source/core/page/Page.h

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 177 matching lines @@
     void setIsCursorVisible(bool isVisible) { m_isCursorVisible = isVisible; }
 
 #if ENABLE(ASSERT)
     void setIsPainting(bool painting) { m_isPainting = painting; }
     bool isPainting() const { return m_isPainting; }
 #endif
 
     void didCommitLoad(LocalFrame*);
 
     void acceptLanguagesChanged();
+    void purgeMemory();
 
+    static void onMemoryPressure();
     static void networkStateChanged(bool online);
 
     DECLARE_TRACE();
 
     void layerTreeViewInitialized(WebLayerTreeView&);
     void willCloseLayerTreeView(WebLayerTreeView&);
 
     void willBeDestroyed();
 
 private:
     explicit Page(PageClients&);
 
     void initGroup();
 
     // SettingsDelegate overrides.
     void settingsChanged(SettingsDelegate::ChangeType) override;
 
-    void compressStrings(Timer<Page>*);
-
     Member<PageAnimator> m_animator;
     const Member<AutoscrollController> m_autoscrollController;
     Member<ChromeClient> m_chromeClient;
     const Member<DragCaretController> m_dragCaretController;
     const Member<DragController> m_dragController;
     const Member<FocusController> m_focusController;
     const Member<ContextMenuController> m_contextMenuController;
     const Member<PointerLockController> m_pointerLockController;
     Member<ScrollingCoordinator> m_scrollingCoordinator;
 
@@ skipping 32 matching lines @@
 
     bool m_isCursorVisible;
 
 #if ENABLE(ASSERT)
     bool m_isPainting;
 #endif
 
     // A pointer to all the interfaces provided to in-process Frames for this Page.
     // FIXME: Most of the members of Page should move onto FrameHost.
     Member<FrameHost> m_frameHost;
-
-    Timer<Page> m_timerForCompressStrings;
 };
 
 extern template class CORE_EXTERN_TEMPLATE_EXPORT Supplement<Page>;
 
 } // namespace blink
 
 #endif // Page_h