Simplify starting a same-document navigation

Source/core/loader/FrameLoader.h

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) Research In Motion Limited 2009. All rights reserved.
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
@@ skipping 200 matching lines @@
     void checkTimerFired(Timer<FrameLoader>*);
     void didAccessInitialDocumentTimerFired(Timer<FrameLoader>*);
 
     bool prepareRequestForThisFrame(FrameLoadRequest&);
     void setReferrerForFrameRequest(ResourceRequest&, ShouldSendReferrer, Document*);
     FrameLoadType determineFrameLoadType(const FrameLoadRequest&);
     bool isScriptTriggeredFormSubmissionInChildFrame(const FrameLoadRequest&) const;
 
     SubstituteData defaultSubstituteDataForURL(const KURL&);
 
-    void checkNavigationPolicyAndContinueFragmentScroll(const NavigationAction&, bool isNewNavigation, ClientRedirectPolicy);
-
     bool shouldPerformFragmentNavigation(bool isFormSubmission, const String& httpMethod, FrameLoadType, const KURL&);
     void scrollToFragmentWithParentBoundary(const KURL&);
 
     void checkLoadCompleteForThisFrame();
 
     // Calls continueLoadAfterNavigationPolicy
     void loadWithNavigationAction(const NavigationAction&, FrameLoadType, PassRefPtr<FormState>,
         const SubstituteData&, ClientRedirectPolicy = NotClientRedirect, const AtomicString& overrideEncoding = nullAtom);
 
     void detachFromParent();
     void detachChildren();
     void closeAndRemoveChild(Frame*);
     void detachClient();
 
     enum HistoryItemPolicy {
         CreateNewHistoryItem,
         DoNotCreateNewHistoryItem
     };
     void setHistoryItemStateForCommit(HistoryItemPolicy, bool isPushOrReplaceState = false, PassRefPtr<SerializedScriptValue> = 0);
 
-    void loadInSameDocument(const KURL&, PassRefPtr<SerializedScriptValue> stateObject, bool isNewNavigation, ClientRedirectPolicy);
+    void loadInSameDocument(const KURL&, PassRefPtr<SerializedScriptValue> stateObject, UpdateBackForwardListPolicy, ClientRedirectPolicy);
 
     void scheduleCheckCompleted();
     void startCheckCompleteTimer();
 
     Frame* m_frame;
     FrameLoaderClient* m_client;
 
     // FIXME: These should be OwnPtr<T> to reduce build times and simplify
     // header dependencies unless performance testing proves otherwise.
     // Some of these could be lazily created for memory savings on devices.
@@ skipping 31 matching lines @@
 
     bool m_didAccessInitialDocument;
     Timer<FrameLoader> m_didAccessInitialDocumentTimer;
 
     SandboxFlags m_forcedSandboxFlags;
 };
 
 } // namespace WebCore
 
 #endif // FrameLoader_h