[Sync] Fixing easy lint violations.

components/sync/test/fake_server/android/fake_server_helper_android.h

 // Copyright 2014 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 COMPONENTS_SYNC_TEST_FAKE_SERVER_ANDROID_FAKE_SERVER_HELPER_ANDROID_H_
 #define COMPONENTS_SYNC_TEST_FAKE_SERVER_ANDROID_FAKE_SERVER_HELPER_ANDROID_H_
 
 #include <jni.h>
 
+#include <memory>
 #include <string>
 
 #include "base/android/scoped_java_ref.h"
 #include "components/sync/test/fake_server/entity_builder_factory.h"
 
 // Helper for utilizing native FakeServer infrastructure in Android tests.
 class FakeServerHelperAndroid {
  public:
   // Registers the native methods.
   static bool Register(JNIEnv* env);
@@ skipping 124 matching lines @@
 
   // Creates a bookmark entity.
   std::unique_ptr<fake_server::FakeServerEntity> CreateBookmarkEntity(
       JNIEnv* env,
       jstring title,
       jstring url,
       jstring parent_id);
 };
 
 #endif  // COMPONENTS_SYNC_TEST_FAKE_SERVER_ANDROID_FAKE_SERVER_HELPER_ANDROID_H_