| Index: content/public/browser/navigation_controller.h
 | 
| diff --git a/content/public/browser/navigation_controller.h b/content/public/browser/navigation_controller.h
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| index 76d6de2a0a41291667cb5508a90d495c7e42751f..533c9b4c8a9e27cfa32247ed1138f76f06be588d 100644
 | 
| --- a/content/public/browser/navigation_controller.h
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| +++ b/content/public/browser/navigation_controller.h
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| @@ -491,6 +491,8 @@ class NavigationController {
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|    // controller. Useful to reduce memory consumption in low-memory situations.
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|    virtual void ClearAllScreenshots() = 0;
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|  
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| +  virtual void UpdateOverridingUserAgent() = 0;
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| +
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|   private:
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|    // This interface should only be implemented inside content.
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|    friend class NavigationControllerImpl;
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| 
 |