Remove UseCounter

sky/engine/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,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #ifndef SKY_ENGINE_CORE_PAGE_PAGE_H_
 #define SKY_ENGINE_CORE_PAGE_PAGE_H_
 
 #include "sky/engine/core/frame/LocalFrame.h"
 #include "sky/engine/core/frame/SettingsDelegate.h"
-#include "sky/engine/core/frame/UseCounter.h"
 #include "sky/engine/core/page/PageAnimator.h"
 #include "sky/engine/core/page/PageVisibilityState.h"
 #include "sky/engine/platform/LifecycleContext.h"
 #include "sky/engine/platform/Supplementable.h"
 #include "sky/engine/platform/geometry/LayoutRect.h"
 #include "sky/engine/platform/geometry/Region.h"
 #include "sky/engine/platform/heap/Handle.h"
 #include "sky/engine/wtf/Forward.h"
 #include "sky/engine/wtf/HashSet.h"
 #include "sky/engine/wtf/Noncopyable.h"
@@ skipping 60 matching lines @@
     void documentDetached(Document*);
 
     PageAnimator& animator() { return m_animator; }
     Chrome& chrome() const { return *m_chrome; }
     AutoscrollController& autoscrollController() const { return *m_autoscrollController; }
     DragCaretController& dragCaretController() const { return *m_dragCaretController; }
     FocusController& focusController() const { return *m_focusController; }
 
     Settings& settings() const { return *m_settings; }
 
-    UseCounter& useCounter() { return m_useCounter; }
-
     void unmarkAllTextMatches();
 
     float deviceScaleFactor() const { return m_deviceScaleFactor; }
     void setDeviceScaleFactor(float);
 
     PageVisibilityState visibilityState() const;
     void setVisibilityState(PageVisibilityState, bool);
 
     bool isCursorVisible() const;
     void setIsCursorVisible(bool isVisible) { m_isCursorVisible = isVisible; }
@@ skipping 51 matching lines @@
     // after creating it. These are still safe because they always create a
     // Frame with a FrameView. FrameView and Frame hold references to each
     // other, thus keeping each other alive. The call to willBeDestroyed()
     // breaks this cycle, so the frame is still properly destroyed once no
     // longer needed.
     LocalFrame* m_mainFrame;
 
     EditorClient* const m_editorClient;
     SpellCheckerClient* const m_spellCheckerClient;
 
-    UseCounter m_useCounter;
-
     float m_deviceScaleFactor;
 
     double m_timerAlignmentInterval;
 
     PageVisibilityState m_visibilityState;
 
     bool m_isCursorVisible;
 
 #if ENABLE(ASSERT)
     bool m_isPainting;
 #endif
 
     HashSet<RawPtr<MultisamplingChangedObserver> > m_multisamplingChangedObservers;
 
     // 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.
     OwnPtr<FrameHost> m_frameHost;
 };
 
 } // namespace blink
 
 #endif  // SKY_ENGINE_CORE_PAGE_PAGE_H_