Some linked_ptr -> unique_ptr conversion in extensions/browser.

chrome/browser/extensions/extension_service.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 CHROME_BROWSER_EXTENSIONS_EXTENSION_SERVICE_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_SERVICE_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 411 matching lines @@
   // Unload all extensions. Does not send notifications.
   void UnloadAllExtensionsForTest();
 
   // Reloads all extensions. Does not notify that extensions are ready.
   void ReloadExtensionsForTest();
 
   // Clear all ExternalProviders.
   void ClearProvidersForTesting();
 
   // Adds an ExternalProviderInterface for the service to use during testing.
-  // Takes ownership of |test_provider|.
   void AddProviderForTesting(
-      extensions::ExternalProviderInterface* test_provider);
+      std::unique_ptr<extensions::ExternalProviderInterface> test_provider);
 
   // Simulate an extension being blacklisted for tests.
   void BlacklistExtensionForTest(const std::string& extension_id);
 
 #if defined(UNIT_TEST)
   void TrackTerminatedExtensionForTest(const extensions::Extension* extension) {
     TrackTerminatedExtension(extension->id());
   }
 
   void FinishInstallationForTest(const extensions::Extension* extension) {
@@ skipping 301 matching lines @@
                            GreylistUnknownDontChange);
   FRIEND_TEST_ALL_PREFIXES(ExtensionServiceTest,
                            ManagementPolicyProhibitsEnableOnInstalled);
   FRIEND_TEST_ALL_PREFIXES(ExtensionServiceTest,
                            BlockAndUnblockBlacklistedExtension);
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionService);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_SERVICE_H_