[DRAFT] Allow a user to revert to their previous theme without closing infobar

chrome/browser/themes/theme_syncable_service.cc

Index: chrome/browser/themes/theme_syncable_service.cc
diff --git a/chrome/browser/themes/theme_syncable_service.cc b/chrome/browser/themes/theme_syncable_service.cc
index 3389443e055fc321051edd8da9810b22d886243e..61c656f507da59c96d25699ff2a6525777e5a578 100644
--- a/chrome/browser/themes/theme_syncable_service.cc
+++ b/chrome/browser/themes/theme_syncable_service.cc
@@ -218,12 +218,8 @@ void ThemeSyncableService::SetCurrentThemeFromThemeSpecifics(
         DVLOG(1) << "Extension " << id << " is not a theme; aborting";
         return;
       }
-      if (!extensions_service->IsExtensionEnabled(id)) {

[pkotwicz, 2013/07/25 01:25:29]

I was mostly worried about interference with externally updated extensions here
because ThemeService::SetTheme() will enable the extension if it is not enabled.
I am pretty sure it is not a concern because the theme will only be synced if
the theme extension is enabled on another device.

-        DVLOG(1) << "Theme " << id << " is not enabled; aborting";
-        return;
-      }
-      // An enabled theme extension with the given id was found, so
-      // just set the current theme to it.
+      // A theme extension with the given id was found, so just set the current
+      // theme to it.
       theme_service_->SetTheme(extension);
     } else {
       // No extension with this id exists -- we must install it; we do