| Index: chrome/browser/chromeos/platform_keys/platform_keys_service_factory.h
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| diff --git a/chrome/browser/chromeos/platform_keys/platform_keys_service_factory.h b/chrome/browser/chromeos/platform_keys/platform_keys_service_factory.h
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| index deb9479ba3ad5a78bde4c3050dc3da3e3cff3597..8042797ad291ebeb1f4551071ead20ea3c172356 100644
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| --- a/chrome/browser/chromeos/platform_keys/platform_keys_service_factory.h
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| +++ b/chrome/browser/chromeos/platform_keys/platform_keys_service_factory.h
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| @@ -8,8 +8,10 @@
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|  #include "base/macros.h"
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|  #include "components/keyed_service/content/browser_context_keyed_service_factory.h"
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|  
 | 
| +namespace base {
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|  template <typename T>
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|  struct DefaultSingletonTraits;
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| +}  // namespace base
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|  
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|  namespace chromeos {
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|  
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| @@ -24,7 +26,7 @@ class PlatformKeysServiceFactory : public BrowserContextKeyedServiceFactory {
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|    static PlatformKeysServiceFactory* GetInstance();
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|  
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|   private:
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| -  friend struct DefaultSingletonTraits<PlatformKeysServiceFactory>;
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| +  friend struct base::DefaultSingletonTraits<PlatformKeysServiceFactory>;
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|  
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|    PlatformKeysServiceFactory();
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|    ~PlatformKeysServiceFactory() override;
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| 
 |