Invalidate all wallpaper cache if display configuration changed

chrome/browser/chromeos/extensions/wallpaper_private_api.cc

Index: chrome/browser/chromeos/extensions/wallpaper_private_api.cc
diff --git a/chrome/browser/chromeos/extensions/wallpaper_private_api.cc b/chrome/browser/chromeos/extensions/wallpaper_private_api.cc
index 23105fc96a3e9aef5ee88e503f9c12af6ab2a573..9323363c47db3f48ef9d65f5321a6e452cf4641e 100644
--- a/chrome/browser/chromeos/extensions/wallpaper_private_api.cc
+++ b/chrome/browser/chromeos/extensions/wallpaper_private_api.cc
@@ -632,7 +632,7 @@ bool WallpaperPrivateSetCustomWallpaperLayoutFunction::RunImpl() {
   bool is_persistent =
       !chromeos::UserManager::Get()->IsCurrentUserNonCryptohomeDataEphemeral();
   wallpaper_manager->SetUserWallpaperInfo(email, info, is_persistent);
-  wallpaper_manager->UpdateWallpaper();
+  wallpaper_manager->UpdateWallpaper(false);

[Nikita (slow), 2014/03/11 16:34:50]

nit: /* clear_cache */

[bshe, 2014/03/11 22:52:35]

Done.

   SendResponse(true);
 
   // Gets email address while at UI thread.