Refactor CRX verification in preparation to support CRX₃ files.

extensions/browser/sandboxed_unpacker.h

 // Copyright (c) 2012 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_SANDBOXED_UNPACKER_H_
 #define EXTENSIONS_BROWSER_SANDBOXED_UNPACKER_H_
 
+#include <memory>
 #include <string>
 
 #include "base/files/file_path.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted_delete_on_sequence.h"
 #include "base/memory/weak_ptr.h"
 #include "base/time/time.h"
 #include "content/public/browser/utility_process_mojo_client.h"
 #include "extensions/browser/crx_file_info.h"
@@ skipping 112 matching lines @@
 
     // SandboxedUnpacker::UnpackExtensionFailed()
     UNPACKER_CLIENT_FAILED,
 
     // SandboxedUnpacker::UtilityProcessCrashed()
     UTILITY_PROCESS_CRASHED_WHILE_TRYING_TO_INSTALL,
 
     // SandboxedUnpacker::ValidateSignature()
     CRX_FILE_NOT_READABLE,
     CRX_HEADER_INVALID,
-    CRX_MAGIC_NUMBER_INVALID,
-    CRX_VERSION_NUMBER_INVALID,
-    CRX_EXCESSIVELY_LARGE_KEY_OR_SIGNATURE,
-    CRX_ZERO_KEY_LENGTH,
-    CRX_ZERO_SIGNATURE_LENGTH,
-    CRX_PUBLIC_KEY_INVALID,
-    CRX_SIGNATURE_INVALID,
+    CRX_FILE_IS_DELTA_UPDATE,
     CRX_SIGNATURE_VERIFICATION_INITIALIZATION_FAILED,
     CRX_SIGNATURE_VERIFICATION_FAILED,
+    CRX_EXPECTED_HASH_INVALID,
 
     // SandboxedUnpacker::RewriteManifestFile()
     ERROR_SERIALIZING_MANIFEST_JSON,
     ERROR_SAVING_MANIFEST_JSON,
 
     // SandboxedUnpacker::RewriteImageFiles()
     COULD_NOT_READ_IMAGE_DATA_FROM_DISK,
     DECODED_IMAGES_DO_NOT_MATCH_THE_MANIFEST,
     INVALID_PATH_FOR_BROWSER_IMAGE,
     ERROR_REMOVING_OLD_IMAGE_FILE,
@@ skipping 113 matching lines @@
   // Utility client used for sending tasks to the utility process.
   std::unique_ptr<content::UtilityProcessMojoClient<mojom::ExtensionUnpacker>>
       utility_process_mojo_client_;
 
   DISALLOW_COPY_AND_ASSIGN(SandboxedUnpacker);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_SANDBOXED_UNPACKER_H_