Move UndoStack from Page to Editor

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 44 matching lines @@
 class DragController;
 class EditorClient;
 class FocusController;
 class Frame;
 class FrameHost;
 class PluginData;
 class PointerLockController;
 class ScrollingCoordinator;
 class Settings;
 class SpellCheckerClient;
-class UndoStack;
 class ValidationMessageClient;
 class WebLayerTreeView;
 
 typedef uint64_t LinkHash;
 
 float deviceScaleFactor(LocalFrame*);
 
 class CORE_EXPORT Page final : public GarbageCollectedFinalized<Page>, public Supplementable<Page>, public PageLifecycleNotifier, public SettingsDelegate {
     USING_GARBAGE_COLLECTED_MIXIN(Page);
     WTF_MAKE_NONCOPYABLE(Page);
@@ skipping 41 matching lines @@
     void setNeedsRecalcStyleInAllFrames();
     void updateAcceleratedCompositingSettings();
 
     ViewportDescription viewportDescription() const;
 
     static void refreshPlugins();
     PluginData* pluginData() const;
 
     EditorClient& editorClient() const { return *m_editorClient; }
     SpellCheckerClient& spellCheckerClient() const { return *m_spellCheckerClient; }
-    UndoStack& undoStack() const { return *m_undoStack; }
 
     void setMainFrame(Frame*);
     Frame* mainFrame() const { return m_mainFrame; }
     // Escape hatch for existing code that assumes that the root frame is
     // always a LocalFrame. With OOPI, this is not always the case. Code that
     // depends on this will generally have to be rewritten to propagate any
     // necessary state through all renderer processes for that page and/or
     // coordinate/rely on the browser process to help dispatch/coordinate work.
     LocalFrame* deprecatedLocalMainFrame() const { return toLocalFrame(m_mainFrame); }
 
@@ skipping 81 matching lines @@
 
     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;
-    const Member<UndoStack> m_undoStack;
 
     // Typically, the main frame and Page should both be owned by the embedder,
     // which must call Page::willBeDestroyed() prior to destroying Page. This
     // call detaches the main frame and clears this pointer, thus ensuring that
     // this field only references a live main frame.
     //
     // However, there are several locations (InspectorOverlay, SVGImage, and
     // WebPagePopupImpl) which don't hold a reference to the main frame at all
     // after creating it. These are still safe because they always create a
     // Frame with a FrameView. FrameView and Frame hold references to each
@@ skipping 32 matching lines @@
     Member<FrameHost> m_frameHost;
 
     Timer<Page> m_timerForCompressStrings;
 };
 
 extern template class CORE_EXTERN_TEMPLATE_EXPORT Supplement<Page>;
 
 } // namespace blink
 
 #endif // Page_h