Some linked_ptr -> unique_ptr conversion in extensions/browser.

chrome/browser/extensions/extension_migrator_unittest.cc

 // Copyright 2015 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_migrator.h"
 
 #include "base/files/file_util.h"
 #include "base/macros.h"
 #include "base/run_loop.h"
 #include "chrome/browser/extensions/extension_service.h"
@@ skipping 33 matching lines @@
     // Create prefs file to make the profile not new.
     const char prefs[] = "{}";
     EXPECT_EQ(int(sizeof(prefs)),
               base::WriteFile(params.pref_file, prefs, sizeof(prefs)));
     InitializeExtensionService(params);
     service()->Init();
     AddMigratorProvider();
   }
 
   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));
   }
 
   void AddExtension(const std::string& id) {
     scoped_refptr<Extension> fake_app = CreateExtension(id);
     service()->AddExtension(fake_app.get());
   }
 
   bool HasNewExtension() {
     return service()->pending_extension_manager()->IsIdPending(kNewId) ||
@@ skipping 32 matching lines @@
   InitWithExistingProfile();
   AddExtension(kOldId);
   AddExtension(kNewId);
   service()->CheckForExternalUpdates();
   base::RunLoop().RunUntilIdle();
   EXPECT_TRUE(!!registry()->GetInstalledExtension(kOldId));
   EXPECT_TRUE(!!registry()->GetInstalledExtension(kNewId));
 }
 
 }  // namespace extensions