Revert 13676 - Revert 131665 - Add a preference for why an extension is disabled.

chrome/browser/sync/test/integration/sync_extension_helper.cc

Index: chrome/browser/sync/test/integration/sync_extension_helper.cc
diff --git a/chrome/browser/sync/test/integration/sync_extension_helper.cc b/chrome/browser/sync/test/integration/sync_extension_helper.cc
index f1d8b777eb3745397cfa75b26712d00981710d65..41db6640038e666a9c2550ab69f2f0109ebadcd0 100644
--- a/chrome/browser/sync/test/integration/sync_extension_helper.cc
+++ b/chrome/browser/sync/test/integration/sync_extension_helper.cc
@@ -101,7 +101,8 @@ void SyncExtensionHelper::EnableExtension(Profile* profile,
 
 void SyncExtensionHelper::DisableExtension(Profile* profile,
                                            const std::string& name) {
-  profile->GetExtensionService()->DisableExtension(NameToId(name));
+  profile->GetExtensionService()->DisableExtension(
+      NameToId(name), Extension::DISABLE_USER_ACTION);
 }
 
 bool SyncExtensionHelper::IsExtensionEnabled(