Some linked_ptr -> unique_ptr conversion in extensions/browser.

extensions/browser/api/system_storage/system_storage_apitest.cc

 // Copyright 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 <stddef.h>
 
 #include <vector>
 
 #include "base/macros.h"
-#include "base/memory/linked_ptr.h"
+#include "base/memory/ptr_util.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/utf_string_conversions.h"
 #include "components/storage_monitor/storage_monitor.h"
 #include "components/storage_monitor/test_storage_monitor.h"
 #include "extensions/browser/api/system_storage/storage_api_test_util.h"
 #include "extensions/browser/api/system_storage/storage_info_provider.h"
 #include "extensions/shell/test/shell_apitest.h"
 #include "extensions/test/extension_test_message_listener.h"
 #include "extensions/test/result_catcher.h"
 
@@ skipping 82 matching lines @@
 
  private:
   std::unique_ptr<base::MessageLoop> message_loop_;
 };
 
 IN_PROC_BROWSER_TEST_F(SystemStorageApiTest, Storage) {
   SetUpAllMockStorageDevices();
   TestStorageInfoProvider* provider =
       new TestStorageInfoProvider(kTestingData, arraysize(kTestingData));
   extensions::StorageInfoProvider::InitializeForTesting(provider);
-  std::vector<linked_ptr<ExtensionTestMessageListener>> device_ids_listeners;
+  std::vector<std::unique_ptr<ExtensionTestMessageListener>>
+      device_ids_listeners;
   for (size_t i = 0; i < arraysize(kTestingData); ++i) {
-    linked_ptr<ExtensionTestMessageListener> listener(
-        new ExtensionTestMessageListener(
+    device_ids_listeners.push_back(
+        base::MakeUnique<ExtensionTestMessageListener>(
             StorageMonitor::GetInstance()->GetTransientIdForDeviceId(
                 kTestingData[i].device_id),
             false));
-    device_ids_listeners.push_back(listener);
   }
   ASSERT_TRUE(RunAppTest("system/storage")) << message_;
   for (size_t i = 0; i < device_ids_listeners.size(); ++i)
     EXPECT_TRUE(device_ids_listeners[i]->WaitUntilSatisfied());
 }
 
 IN_PROC_BROWSER_TEST_F(SystemStorageApiTest, StorageAttachment) {
   extensions::ResultCatcher catcher;
   ExtensionTestMessageListener attach_listener("attach", false);
   ExtensionTestMessageListener detach_listener("detach", false);
@@ skipping 11 matching lines @@
       removable_storage_transient_id, false);
 
   // Simulate triggering onDetached event.
   ASSERT_TRUE(detach_listener.WaitUntilSatisfied());
   DetachRemovableStorage(kRemovableStorageData.device_id);
 
   ASSERT_TRUE(detach_device_id_listener.WaitUntilSatisfied());
 
   EXPECT_TRUE(catcher.GetNextResult()) << catcher.message();
 }