Shift passage of FileStream in downloads system to be by scoped_ptr<>.

content/browser/download/download_file_manager_unittest.cc

 // Copyright (c) 2012 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 "content/browser/download/download_file_manager.h"
 
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/message_loop.h"
 #include "base/scoped_temp_dir.h"
@@ skipping 38 matching lines @@
   ~TestDownloadManager() {}
 };
 
 class MockDownloadFileFactory : public content::DownloadFileFactory {
 
  public:
   MockDownloadFileFactory() {}
   virtual ~MockDownloadFileFactory() {}
 
   virtual content::DownloadFile* CreateFile(
-      DownloadCreateInfo* info,
+      scoped_ptr<DownloadCreateInfo> info,
       scoped_ptr<content::ByteStreamReader> stream,
       content::DownloadManager* download_manager,
       bool calculate_hash,
       const net::BoundNetLog& bound_net_log) OVERRIDE;
 
   MockDownloadFile* GetExistingFile(const DownloadId& id);
 
  private:
   std::map<DownloadId, MockDownloadFile*> files_;
 };
 
 content::DownloadFile* MockDownloadFileFactory::CreateFile(
-    DownloadCreateInfo* info,
+    scoped_ptr<DownloadCreateInfo> info,
     scoped_ptr<content::ByteStreamReader> stream,
     content::DownloadManager* download_manager,
     bool calculate_hash,
     const net::BoundNetLog& bound_net_log) {
   DCHECK(files_.end() == files_.find(info->download_id));
   MockDownloadFile* created_file = new StrictMock<MockDownloadFile>();
   files_[info->download_id] = created_file;
 
   ON_CALL(*created_file, GetDownloadManager())
       .WillByDefault(Return(download_manager));
@@ skipping 319 matching lines @@
 
   CleanUp(dummy_id);
 }
 
 // TODO(ahendrickson) -- A test for download manager shutdown.
 // Expected call sequence:
 //  OnDownloadManagerShutdown
 //    DownloadFile::GetDownloadManager
 //    DownloadFile::CancelDownloadRequest
 //    DownloadFile::~DownloadFile