Rewrite scoped_ptr<T>(NULL) to use the default ctor in chrome/.

chrome/browser/sync_file_system/drive_file_sync_service_sync_unittest.cc

 // Copyright (c) 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/sync_file_system/drive_file_sync_service.h"
 
 #include <algorithm>
 
 #include "base/format_macros.h"
 #include "base/message_loop.h"
@@ skipping 32 matching lines @@
 }
 
 }  // namespace
 
 class DriveFileSyncServiceSyncTest : public testing::Test {
  public:
   DriveFileSyncServiceSyncTest()
       : ui_thread_(content::BrowserThread::UI, &message_loop_),
         file_thread_(content::BrowserThread::FILE, &message_loop_),
         fake_api_util_(NULL),
-        fake_remote_processor_(NULL),
         metadata_store_(NULL),
         resource_count_(0) {}
 
   virtual ~DriveFileSyncServiceSyncTest() {
   }
 
   virtual void SetUp() OVERRIDE {
     SetEnableSyncFSDirectoryOperation(true);
     RegisterSyncableFileSystem();
   }
@@ skipping 370 matching lines @@
 TEST_F(DriveFileSyncServiceSyncTest, DeleteDirectoryTest) {
   std::string kDir = "dir title";
   SyncEvent sync_event[] = {
     CreateRemoteDirectoryAddEvent(kDir),
     CreateRemoteFileDeleteEvent(kDir),
   };
   RunTest(CreateTestCase(sync_event));
 }
 
 }  // namespace sync_file_system