New test cases for kiosk app crx file cache.

chrome/browser/chromeos/app_mode/kiosk_app_manager.cc

Index: chrome/browser/chromeos/app_mode/kiosk_app_manager.cc
diff --git a/chrome/browser/chromeos/app_mode/kiosk_app_manager.cc b/chrome/browser/chromeos/app_mode/kiosk_app_manager.cc
index 8b38fbf40c99d096485cbf2792e8e61e5197b265..f2f906876974d5fadc27ef61b695ab61593dfd09 100644
--- a/chrome/browser/chromeos/app_mode/kiosk_app_manager.cc
+++ b/chrome/browser/chromeos/app_mode/kiosk_app_manager.cc
@@ -366,7 +366,7 @@ void KioskAppManager::RemoveObserver(KioskAppManagerObserver* observer) {
 
 KioskAppManager::KioskAppManager() : ownership_established_(false) {
   base::FilePath cache_dir;
-  GetKioskAppCrxCacheDir(&cache_dir);
+  GetCrxCacheDir(&cache_dir);
   external_cache_.reset(
       new ExternalCache(cache_dir,
                         g_browser_process->system_request_context(),
@@ -530,10 +530,16 @@ void KioskAppManager::SetAutoLoginState(AutoLoginState state) {
   prefs->CommitPendingWrite();
 }
 
-void KioskAppManager::GetKioskAppCrxCacheDir(base::FilePath* cache_dir) {
+void KioskAppManager::GetCrxCacheDir(base::FilePath* cache_dir) {
   base::FilePath user_data_dir;
   CHECK(PathService::Get(chrome::DIR_USER_DATA, &user_data_dir));
   *cache_dir = user_data_dir.AppendASCII(kCrxCacheDir);
 }
 
+bool KioskAppManager::GetCachedCrx(const std::string& app_id,
+                                   base::FilePath* file_path,
+                                   std::string* version) {
+  return external_cache_->GetExtension(app_id, file_path, version);
+}
+
 }  // namespace chromeos