| Index: third_party/WebKit/Source/core/timing/PerformanceBase.h | 
| diff --git a/third_party/WebKit/Source/core/timing/PerformanceBase.h b/third_party/WebKit/Source/core/timing/PerformanceBase.h | 
| index 52a1c9f2dad64cd3255854dea5cc14dd62c462b0..5cd6b4fdac75496dfaf207af4bef7ea9153e9330 100644 | 
| --- a/third_party/WebKit/Source/core/timing/PerformanceBase.h | 
| +++ b/third_party/WebKit/Source/core/timing/PerformanceBase.h | 
| @@ -46,7 +46,12 @@ | 
| namespace blink { | 
|  | 
| class DOMWindow; | 
| +class Document; | 
| +class DocumentLoader; | 
| +class DocumentLoadTiming; | 
| +class DocumentTiming; | 
| class ExceptionState; | 
| +class LocalFrame; | 
| class PerformanceObserver; | 
| class PerformanceTiming; | 
| class ResourceTimingInfo; | 
| @@ -99,6 +104,8 @@ class CORE_EXPORT PerformanceBase : public EventTargetWithInlineData { | 
|  | 
| void addResourceTiming(const ResourceTimingInfo&); | 
|  | 
| +  void addNavigationTiming(LocalFrame*); | 
| + | 
| void mark(const String& markName, ExceptionState&); | 
| void clearMarks(const String& markName); | 
|  | 
| @@ -134,6 +141,7 @@ class CORE_EXPORT PerformanceBase : public EventTargetWithInlineData { | 
| unsigned m_frameTimingBufferSize; | 
| PerformanceEntryVector m_resourceTimingBuffer; | 
| unsigned m_resourceTimingBufferSize; | 
| +  Member<PerformanceEntry> m_navigationTiming; | 
| Member<UserTiming> m_userTiming; | 
|  | 
| double m_timeOrigin; | 
|  |