Retry reinstallation of corrupted policy extensions.

extensions/browser/content_verifier_delegate.h

 // Copyright 2014 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 EXTENSIONS_BROWSER_CONTENT_VERIFIER_DELEGATE_H_
 #define EXTENSIONS_BROWSER_CONTENT_VERIFIER_DELEGATE_H_
 
 #include <stdint.h>
 
 #include <set>
@@ skipping 59 matching lines @@
 
   // This should return the set of file paths for images used within the
   // browser process. (These may get transcoded during the install process).
   virtual std::set<base::FilePath> GetBrowserImagePaths(
       const extensions::Extension* extension) = 0;
 
   // Called when the content verifier detects that a read of a file inside
   // an extension did not match its expected hash.
   virtual void VerifyFailed(const std::string& extension_id,
                             ContentVerifyJob::FailureReason reason) = 0;
+
+  // Called when ExtensionSystem is shutting down.
+  virtual void Shutdown() = 0;
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_CONTENT_VERIFIER_DELEGATE_H_