Continue attempts to reinstall corrupt policy extensions across restarts

chrome/browser/extensions/browsertest_util.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_BROWSERTEST_UTIL_H_
 #define CHROME_BROWSER_EXTENSIONS_BROWSERTEST_UTIL_H_
 
 #include <string>
 
 class Profile;
@@ skipping 10 matching lines @@
                                           const std::string& script);
 
 // Same as ExecuteScriptInBackgroundPage, but doesn't wait for the script
 // to return a result. Fails the test and returns false if |extension_id|
 // isn't installed in |profile| or doesn't have a background page, or if
 // executing the script fails.
 bool ExecuteScriptInBackgroundPageNoWait(Profile* profile,
                                          const std::string& extension_id,
                                          const std::string& script);
 
+// On chromeos, the extension cache directory must be initialized before
+// extensions can be installed in some situations (e.g. policy force installs
+// via update urls). The chromeos device setup scripts take care of this in
+// actual production devices, but some tests need to do it manually.
+void CreateAndInitializeLocalCache();
+
 }  // namespace browsertest_util
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_BROWSERTEST_UTIL_H_