Some linked_ptr -> unique_ptr conversion in extensions/browser.

chrome/browser/extensions/extension_migrator_unittest.cc

Index: chrome/browser/extensions/extension_migrator_unittest.cc
diff --git a/chrome/browser/extensions/extension_migrator_unittest.cc b/chrome/browser/extensions/extension_migrator_unittest.cc
index 39970926e97a92b5c2987ac21d6871174d5f2b07..2332721e1d5a1ece68938ce7f9e5a45696254559 100644
--- a/chrome/browser/extensions/extension_migrator_unittest.cc
+++ b/chrome/browser/extensions/extension_migrator_unittest.cc
@@ -51,12 +51,9 @@ class ExtensionMigratorTest : public ExtensionServiceTestBase {
   }
 
   void AddMigratorProvider() {
-    service()->AddProviderForTesting(new ExternalProviderImpl(
-        service(),
-        new ExtensionMigrator(profile(), kOldId, kNewId),
-        profile(),
-        Manifest::EXTERNAL_PREF,
-        Manifest::EXTERNAL_PREF_DOWNLOAD,
+    service()->AddProviderForTesting(base::MakeUnique<ExternalProviderImpl>(
+        service(), new ExtensionMigrator(profile(), kOldId, kNewId), profile(),
+        Manifest::EXTERNAL_PREF, Manifest::EXTERNAL_PREF_DOWNLOAD,
         Extension::FROM_WEBSTORE | Extension::WAS_INSTALLED_BY_DEFAULT));
   }