| Index: chrome/browser/chromeos/extensions/wallpaper_private_api.h | 
| diff --git a/chrome/browser/chromeos/extensions/wallpaper_private_api.h b/chrome/browser/chromeos/extensions/wallpaper_private_api.h | 
| index e8742055aca05513f3347e6c9a4e1fc46373ae6b..71cfcba168b62888cb2bef7626f0303fb2bea359 100644 | 
| --- a/chrome/browser/chromeos/extensions/wallpaper_private_api.h | 
| +++ b/chrome/browser/chromeos/extensions/wallpaper_private_api.h | 
| @@ -5,6 +5,9 @@ | 
| #ifndef CHROME_BROWSER_CHROMEOS_EXTENSIONS_WALLPAPER_PRIVATE_API_H_ | 
| #define CHROME_BROWSER_CHROMEOS_EXTENSIONS_WALLPAPER_PRIVATE_API_H_ | 
|  | 
| +#include <string> | 
| +#include <vector> | 
| + | 
| #include "base/threading/sequenced_worker_pool.h" | 
| #include "chrome/browser/chromeos/extensions/wallpaper_function_base.h" | 
| #include "chrome/common/extensions/api/wallpaper_private.h" | 
| @@ -265,7 +268,7 @@ class WallpaperPrivateSaveThumbnailFunction : public AsyncExtensionFunction { | 
| void Success(); | 
|  | 
| // Saves thumbnail to thumbnail directory as |file_name|. | 
| -  void Save(const std::string& data, const std::string& file_name); | 
| +  void Save(const std::vector<char>& data, const std::string& file_name); | 
|  | 
| // Sequence token associated with wallpaper operations. Shared with | 
| // WallpaperManager. | 
|  |