| Index: Source/core/testing/Internals.h | 
| diff --git a/Source/core/testing/Internals.h b/Source/core/testing/Internals.h | 
| index 35752a6b2f3d4adf3121a698f4dae89efe2b681d..034bf2969a94669f65f92bee276fbb609cc3850e 100644 | 
| --- a/Source/core/testing/Internals.h | 
| +++ b/Source/core/testing/Internals.h | 
| @@ -322,6 +322,7 @@ public: | 
| void setNetworkStateNotifierTestOnly(bool); | 
| // Test must call setNetworkStateNotifierTestOnly(true) before calling setNetworkConnectionInfo. | 
| void setNetworkConnectionInfo(const String&, ExceptionState&); | 
| +    String serializeNavigationMarkup(Document*, ExceptionState&); | 
|  | 
| private: | 
| explicit Internals(Document*); | 
|  |