Remove Navigation Transitions from Blink.

Source/core/loader/DocumentLoader.h

 /*
  * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 84 matching lines @@
         bool isCommitted() const { return m_committed; }
         bool isLoading() const;
         bool isLoadingMainResource() const { return m_loadingMainResource; }
         const ResourceResponse& response() const { return m_response; }
         const ResourceError& mainDocumentError() const { return m_mainDocumentError; }
         bool isClientRedirect() const { return m_isClientRedirect; }
         void setIsClientRedirect(bool isClientRedirect) { m_isClientRedirect = isClientRedirect; }
         bool replacesCurrentHistoryItem() const { return m_replacesCurrentHistoryItem; }
         void setReplacesCurrentHistoryItem(bool replacesCurrentHistoryItem) { m_replacesCurrentHistoryItem = replacesCurrentHistoryItem; }
 
-        bool shouldContinueForNavigationPolicy(const ResourceRequest&, ContentSecurityPolicyDisposition shouldCheckMainWorldContentSecurityPolicy, NavigationPolicy = NavigationPolicyCurrentTab, bool isTransitionNavigation = false);
+        bool shouldContinueForNavigationPolicy(const ResourceRequest&, ContentSecurityPolicyDisposition shouldCheckMainWorldContentSecurityPolicy, NavigationPolicy = NavigationPolicyCurrentTab);
         NavigationType navigationType() const { return m_navigationType; }
         void setNavigationType(NavigationType navigationType) { m_navigationType = navigationType; }
 
         void setDefersLoading(bool);
 
         void startLoadingMainResource();
         void cancelMainResourceLoad(const ResourceError&);
 
         void attachThreadedDataReceiver(PassRefPtrWillBeRawPtr<ThreadedDataReceiver>);
         void acceptDataFromThreadedReceiver(const char* data, int dataLength, int encodedDataLength);
@@ skipping 100 matching lines @@
         friend class ApplicationCacheHost;  // for substitute resource delivery
         OwnPtrWillBePersistent<ApplicationCacheHost> m_applicationCacheHost;
 
         RefPtr<ContentSecurityPolicy> m_contentSecurityPolicy;
         ClientHintsPreferences m_clientHintsPreferences;
         InitialScrollState m_initialScrollState;
     };
 }
 
 #endif // DocumentLoader_h