Load user custom wallpaper after browser crash.

chrome/browser/chromeos/login/user_manager_impl.h

Index: chrome/browser/chromeos/login/user_manager_impl.h
diff --git a/chrome/browser/chromeos/login/user_manager_impl.h b/chrome/browser/chromeos/login/user_manager_impl.h
index a68b333570a87a5c2631c41d513d44017ef82603..c1e459944b7dc3c07582e6f9ff86dff4c8d5680f 100644
--- a/chrome/browser/chromeos/login/user_manager_impl.h
+++ b/chrome/browser/chromeos/login/user_manager_impl.h
@@ -47,6 +47,7 @@ class UserManagerImpl : public UserManager,
   virtual void DemoUserLoggedIn() OVERRIDE;
   virtual void GuestUserLoggedIn() OVERRIDE;
   virtual void EphemeralUserLoggedIn(const std::string& email) OVERRIDE;
+  virtual void SetLoggedInUserWallpaper() OVERRIDE;
   virtual void UserSelected(const std::string& email) OVERRIDE;
   virtual void SessionStarted() OVERRIDE;
   virtual void RemoveUser(const std::string& email,
@@ -65,7 +66,6 @@ class UserManagerImpl : public UserManager,
                                     const std::string& display_email) OVERRIDE;
   virtual std::string GetUserDisplayEmail(
       const std::string& username) const OVERRIDE;
-  virtual int GetLoggedInUserWallpaperIndex() OVERRIDE;
   virtual void GetLoggedInUserWallpaperProperties(User::WallpaperType* type,
                                                   int* index) OVERRIDE;
   virtual void SaveLoggedInUserWallpaperProperties(User::WallpaperType type,