| Index: base/prefs/pref_change_registrar.cc
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| diff --git a/base/prefs/pref_change_registrar.cc b/base/prefs/pref_change_registrar.cc
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| index 5e8709c1056d693c4b3d054eb06d6ae8bf8d19c8..28ac37403435f7428670cc032f6f603e7f6ecda6 100644
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| --- a/base/prefs/pref_change_registrar.cc
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| +++ b/base/prefs/pref_change_registrar.cc
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| @@ -89,3 +89,7 @@ void PrefChangeRegistrar::InvokeUnnamedCallback(const base::Closure& callback,
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|  PrefService* PrefChangeRegistrar::prefs() {
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|    return service_;
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|  }
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| +
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| +const PrefService* PrefChangeRegistrar::prefs() const {
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| +  return service_;
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| +}
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| 
 |