Make sure Shared Modules cannot be disabled

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 6758 matching lines @@
   EXPECT_TRUE(registry()->blacklisted_extensions().Contains(id));
   EXPECT_TRUE(ExtensionPrefs::Get(profile())->IsExtensionBlacklisted(id));
 
   service()->DisableExtension(id, Extension::DISABLE_USER_ACTION);
   EXPECT_FALSE(registry()->enabled_extensions().Contains(id));
   EXPECT_FALSE(registry()->disabled_extensions().Contains(id));
   EXPECT_TRUE(registry()->blacklisted_extensions().Contains(id));
   EXPECT_TRUE(ExtensionPrefs::Get(profile())->IsExtensionBlacklisted(id));
 }
 
+// Test that calls to disable Shared Modules do not work.
+TEST_F(ExtensionServiceTest, CannotDisableSharedModules) {
+  InitializeEmptyExtensionService();
+  std::unique_ptr<base::DictionaryValue> manifest =
+      extensions::DictionaryBuilder()
+          .Set("name", "Shared Module")
+          .Set("version", "1.0")
+          .Set("manifest_version", 2)
+          .Set("export",
+               extensions::DictionaryBuilder()
+                   .Set("resources",
+                        extensions::ListBuilder().Append("foo.js").Build())
+                   .Build())
+          .Build();
+
+  scoped_refptr<Extension> extension = extensions::ExtensionBuilder()
+                                           .SetManifest(std::move(manifest))
+                                           .AddFlags(Extension::FROM_WEBSTORE)
+                                           .Build();
+
+  service()->OnExtensionInstalled(extension.get(), syncer::StringOrdinal(),
+                                  extensions::kInstallFlagInstallImmediately);
+
+  ASSERT_TRUE(registry()->enabled_extensions().Contains(extension->id()));
+  // Try to disable the extension.
+  service()->DisableExtension(extension->id(), Extension::DISABLE_USER_ACTION);
+  // Shared Module should still be enabled.
+  EXPECT_TRUE(registry()->enabled_extensions().Contains(extension->id()));
+}
+
 // Make sure we can uninstall a blacklisted extension
 TEST_F(ExtensionServiceTest, UninstallBlacklistedExtension) {
   InitializeGoodInstalledExtensionService();
   service()->Init();
   ASSERT_FALSE(registry()->enabled_extensions().is_empty());
 
   // Blacklist the first extension; then try uninstalling it.
   std::string id = (*(registry()->enabled_extensions().begin()))->id();
   service()->BlacklistExtensionForTest(id);
   EXPECT_NE(nullptr, registry()->GetInstalledExtension(id));
@@ skipping 17 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());
 }