Move getNavigationType logic from PerformanceBase to PerformanceNavigationTiming.

third_party/WebKit/Source/core/timing/PerformanceNavigationTiming.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef PerformanceNavigationTiming_h
 #define PerformanceNavigationTiming_h
 
 #include "core/CoreExport.h"
 #include "core/dom/ContextLifecycleObserver.h"
 #include "core/dom/DOMHighResTimeStamp.h"
@@ skipping 12 matching lines @@
 class ResourceLoadTiming;
 
 class CORE_EXPORT PerformanceNavigationTiming final
     : public PerformanceResourceTiming,
       public ContextClient {
   DEFINE_WRAPPERTYPEINFO();
   USING_GARBAGE_COLLECTED_MIXIN(PerformanceNavigationTiming);
   friend class PerformanceNavigationTimingTest;
 
  public:
-  enum class NavigationType { Navigate, Reload, BackForward, Prerender };
-
   PerformanceNavigationTiming(LocalFrame*,
                               ResourceTimingInfo*,
                               double timeOrigin);
 
   // Attributes inheritted from PerformanceEntry.
   DOMHighResTimeStamp duration() const override;
 
   AtomicString initiatorType() const override;
 
   // PerformanceNavigationTiming's unique attributes.
@@ skipping 15 matching lines @@
   DOMHighResTimeStamp responseEnd() const override;
 
   DECLARE_VIRTUAL_TRACE();
 
  protected:
   void buildJSONValue(V8ObjectBuilder&) const override;
 
  private:
   ~PerformanceNavigationTiming() override;
 
+  static AtomicString getNavigationType(NavigationType, const Document*);
+
   const DocumentTiming* documentTiming() const;
   DocumentLoader* documentLoader() const;
   DocumentLoadTiming* documentLoadTiming() const;
 
   virtual ResourceLoadTiming* resourceLoadTiming() const;
   virtual bool allowTimingDetails() const;
   virtual bool didReuseConnection() const;
   virtual unsigned long long getTransferSize() const;
   virtual unsigned long long getEncodedBodySize() const;
   virtual unsigned long long getDecodedBodySize() const;
 
   bool getAllowRedirectDetails() const;
 
   double m_timeOrigin;
   RefPtr<ResourceTimingInfo> m_resourceTimingInfo;
 };
 }  // namespace blink
 
 #endif  // PerformanceNavigationTiming_h