Delete some unused code found by -Wunused-function

chrome/browser/extensions/api/webstore_private/webstore_private_api.cc

Index: chrome/browser/extensions/api/webstore_private/webstore_private_api.cc
diff --git a/chrome/browser/extensions/api/webstore_private/webstore_private_api.cc b/chrome/browser/extensions/api/webstore_private/webstore_private_api.cc
index 8fa1fbf5e44cebbd9d93b4a55aa83e94aafd13ed..5e4883ad1f7716789bdbf2f944e2883c48ca4bd7 100644
--- a/chrome/browser/extensions/api/webstore_private/webstore_private_api.cc
+++ b/chrome/browser/extensions/api/webstore_private/webstore_private_api.cc
@@ -101,18 +101,6 @@ const char kNoPreviousBeginInstallWithManifestError[] =
     "* does not match a previous call to beginInstallWithManifest3";
 const char kUserCancelledError[] = "User cancelled install";
 
-ProfileSyncService* test_sync_service = NULL;
-
-// Returns either the test sync service, or the real one from |profile|.
-ProfileSyncService* GetSyncService(Profile* profile) {
-  // TODO(webstore): It seems |test_sync_service| is not used anywhere. It
-  // should be removed.
-  if (test_sync_service)
-    return test_sync_service;
-  else
-    return ProfileSyncServiceFactory::GetInstance()->GetForProfile(profile);
-}
-
 // Helper to create a dictionary with login and token properties set from
 // the appropriate values in the passed-in |profile|.
 DictionaryValue* CreateLoginResult(Profile* profile) {
@@ -138,12 +126,6 @@ WebstoreInstaller::Delegate* test_webstore_installer_delegate = NULL;
 }  // namespace
 
 // static
-void WebstorePrivateApi::SetTestingProfileSyncService(
-    ProfileSyncService* service) {
-  test_sync_service = service;
-}
-
-// static
 void WebstorePrivateApi::SetWebstoreInstallerDelegateForTesting(
     WebstoreInstaller::Delegate* delegate) {
   test_webstore_installer_delegate = delegate;