Only use pending navigation params for browser-initiated navigations.

third_party/WebKit/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 161 matching lines @@
 
     void applyUserAgent(ResourceRequest&);
 
     bool allAncestorsAreComplete() const; // including this
 
     bool shouldClose(bool isReload = false);
     void dispatchUnloadEvent();
 
     bool allowPlugins(ReasonForCallingAllowPlugins);
 
-    void updateForSameDocumentNavigation(const KURL&, SameDocumentNavigationSource, PassRefPtr<SerializedScriptValue>, HistoryScrollRestorationType, FrameLoadType);
+    void updateForSameDocumentNavigation(const KURL&, SameDocumentNavigationSource, PassRefPtr<SerializedScriptValue>, HistoryScrollRestorationType, FrameLoadType, Document*);
 
     HistoryItem* currentItem() const { return m_currentItem.get(); }
     void saveScrollState();
 
     void restoreScrollPositionAndViewState();
 
     bool shouldContinueForNavigationPolicy(const ResourceRequest&, const SubstituteData&, DocumentLoader*, ContentSecurityPolicyDisposition,
         NavigationType, NavigationPolicy, bool shouldReplaceCurrentEntry, bool isClientRedirect);
 
     DECLARE_TRACE();
@@ skipping 13 matching lines @@
 
     void startLoad(FrameLoadRequest&, FrameLoadType, NavigationPolicy);
 
     enum class HistoryNavigationType {
         DifferentDocument,
         Fragment,
         HistoryApi
     };
     void setHistoryItemStateForCommit(HistoryCommitType, HistoryNavigationType);
 
-    void loadInSameDocument(const KURL&, PassRefPtr<SerializedScriptValue> stateObject, FrameLoadType, HistoryLoadType, ClientRedirectPolicy);
+    void loadInSameDocument(const KURL&, PassRefPtr<SerializedScriptValue> stateObject, FrameLoadType, HistoryLoadType, ClientRedirectPolicy, Document*);
 
     void scheduleCheckCompleted();
 
     void detachDocumentLoader(Member<DocumentLoader>&);
 
     PassOwnPtr<TracedValue> toTracedValue() const;
     void takeObjectSnapshot() const;
 
     Member<LocalFrame> m_frame;
 
@@ skipping 55 matching lines @@
 
     SandboxFlags m_forcedSandboxFlags;
 
     bool m_dispatchingDidClearWindowObjectInMainWorld;
     bool m_protectProvisionalLoader;
 };
 
 } // namespace blink
 
 #endif // FrameLoader_h