Re-write many calls to WrapUnique() with MakeUnique()

chrome/browser/extensions/api/image_writer_private/operation_manager_unittest.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 "chrome/browser/extensions/api/image_writer_private/operation_manager.h"
 
 #include <memory>
 
 #include "base/command_line.h"
 #include "base/memory/ptr_util.h"
@@ skipping 25 matching lines @@
   void DispatchEventToExtension(
       const std::string& extension_id,
       std::unique_ptr<extensions::Event> event) override {
     // Do nothing with the event as no tests currently care.
   }
 };
 
 // FakeEventRouter factory function
 std::unique_ptr<KeyedService> FakeEventRouterFactoryFunction(
     content::BrowserContext* context) {
-  return base::WrapUnique(new FakeEventRouter(static_cast<Profile*>(context)));
+  return base::MakeUnique<FakeEventRouter>(static_cast<Profile*>(context));
 }
 
 namespace {
 
 class ImageWriterOperationManagerTest : public ImageWriterUnitTestBase {
  public:
   void StartCallback(bool success, const std::string& error) {
     started_ = true;
     start_success_ = success;
     start_error_ = error;
@@ skipping 83 matching lines @@
   EXPECT_TRUE(cancelled_);
   EXPECT_TRUE(cancel_success_);
   EXPECT_EQ("", cancel_error_);
 
   base::RunLoop().RunUntilIdle();
 }
 
 } // namespace
 } // namespace image_writer
 } // namespace extensions