Fix extension content verification out-of-band hash fetching

chrome/browser/extensions/extension_service_unittest.cc

 // Copyright (c) 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.
 
 #include "chrome/browser/extensions/extension_service.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 6901 matching lines @@
 
   service()->Observe(chrome::NOTIFICATION_PROFILE_DESTRUCTION_STARTED,
                      content::Source<Profile>(profile()),
                      content::NotificationService::NoDetails());
   EXPECT_EQ(UnloadedExtensionInfo::REASON_PROFILE_SHUTDOWN, unloaded_reason_);
   EXPECT_EQ(0u, registry()->enabled_extensions().size());
   EXPECT_EQ(0u, registry()->disabled_extensions().size());
   EXPECT_EQ(0u, registry()->terminated_extensions().size());
   EXPECT_EQ(0u, registry()->blacklisted_extensions().size());
 }
+
+// Test that updating a corrupt extension removes the DISABLE_CORRUPTED disable
+// reason.
+TEST_F(ExtensionServiceTest, CorruptExtensionUpdate) {
+  InitializeEmptyExtensionService();
+
+  base::FilePath v1_path = data_dir().AppendASCII("good.crx");
+  const Extension* v1 = InstallCRX(v1_path, INSTALL_NEW);
+  std::string id = v1->id();
+
+  service()->DisableExtension(id, Extension::DISABLE_CORRUPTED);
+
+  ExtensionPrefs* prefs = ExtensionPrefs::Get(profile());
+  EXPECT_TRUE(registry()->disabled_extensions().Contains(id));
+  EXPECT_TRUE(prefs->HasDisableReason(id, Extension::DISABLE_CORRUPTED));
+
+  base::FilePath v2_path = data_dir().AppendASCII("good2.crx");
+  UpdateExtension(id, v2_path, ENABLED);
+
+  EXPECT_FALSE(registry()->disabled_extensions().Contains(id));
+  EXPECT_FALSE(prefs->HasDisableReason(id, Extension::DISABLE_CORRUPTED));
+}