| Index: chrome/common/pref_names.h | 
| diff --git a/chrome/common/pref_names.h b/chrome/common/pref_names.h | 
| index bb6d8106b3e63bac1782eaa60a0ff7e455e654d9..737acd03cb47ceed11f4bc8f7d60daf75feb4bad 100644 | 
| --- a/chrome/common/pref_names.h | 
| +++ b/chrome/common/pref_names.h | 
| @@ -329,6 +329,7 @@ extern const char kPluginsPluginsList[]; | 
| extern const char kPluginsDisabledPlugins[]; | 
| extern const char kPluginsDisabledPluginsExceptions[]; | 
| extern const char kPluginsEnabledPlugins[]; | 
| +extern const char kAlwaysOpenPdfExternally[]; | 
| #if defined(ENABLE_PLUGINS) | 
| extern const char kPluginsShowDetails[]; | 
| #endif | 
|  |