Make canNavigate() OOPI-friendly

Source/core/frame/Frame.h

 /*
  * Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
  *                     1999-2001 Lars Knoll <knoll@kde.org>
  *                     1999-2001 Antti Koivisto <koivisto@kde.org>
  *                     2000-2001 Simon Hausmann <hausmann@kde.org>
  *                     2000-2001 Dirk Mueller <mueller@kde.org>
  *                     2000 Stefan Schimanski <1Stein@gmx.de>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2008 Eric Seidel <eric@webkit.org>
@@ skipping 70 matching lines @@
 
     FrameOwner* owner() const;
     void setOwner(FrameOwner* owner) { m_owner = owner; }
     HTMLFrameOwnerElement* deprecatedLocalOwner() const;
 
     FrameTree& tree() const;
     ChromeClient& chromeClient() const;
 
     virtual SecurityContext* securityContext() const = 0;
 
+    Frame* findFrameForNavigation(const AtomicString& name, Frame& activeFrame);
+    Frame* findUnsafeParentScrollPropagationBoundary();
+
+    bool canNavigate(const Frame&);
+    virtual void printNavigationErrorMessage(const Frame&, const char* reason) = 0;
+
     RenderPart* ownerRenderer() const; // Renderer for the element that contains this frame.
 
     // FIXME: These should move to RemoteFrame when that is instantiated.
     void setRemotePlatformLayer(WebLayer*);
     WebLayer* remotePlatformLayer() const { return m_remotePlatformLayer; }
 
     Settings* settings() const; // can be null
 
     // FIXME: This method identifies a LocalFrame that is acting as a RemoteFrame.
     // It is necessary only until we can instantiate a RemoteFrame, at which point
@@ skipping 39 matching lines @@
 {
     return m_treeNode;
 }
 
 // Allow equality comparisons of Frames by reference or pointer, interchangeably.
 DEFINE_COMPARISON_OPERATORS_WITH_REFERENCES_REFCOUNTED(Frame)
 
 } // namespace blink
 
 #endif // Frame_h