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

content/browser/web_contents/web_contents_impl.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/web_contents/web_contents_impl.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/metrics/histogram.h"
@@ skipping 3341 matching lines @@
   DownloadManager* dlm =
       BrowserContext::GetDownloadManager(GetBrowserContext());
   if (!dlm)
     return;
   int64 post_id = -1;
   if (is_main_frame) {
     const NavigationEntry* entry = controller_.GetActiveEntry();
     if (entry)
       post_id = entry->GetPostID();
   }
-  content::DownloadSaveInfo save_info;
-  save_info.prompt_for_save_location = true;
+  scoped_ptr<content::DownloadSaveInfo> save_info(
+      new content::DownloadSaveInfo());
+  save_info->prompt_for_save_location = true;
   scoped_ptr<DownloadUrlParameters> params(
-      DownloadUrlParameters::FromWebContents(this, url, save_info));
+      DownloadUrlParameters::FromWebContents(this, url, save_info.Pass()));
   params->set_referrer(referrer);
   params->set_post_id(post_id);
   params->set_prefer_cache(true);
   if (post_id >= 0)
     params->set_method("POST");
   dlm->DownloadUrl(params.Pass());
 }
 
 void WebContentsImpl::CreateViewAndSetSizeForRVH(RenderViewHost* rvh) {
   RenderWidgetHostView* rwh_view = GetView()->CreateViewForWidget(rvh);
@@ skipping 22 matching lines @@
   }
 }
 
 content::BrowserPluginGuest* WebContentsImpl::GetBrowserPluginGuest() {
   return browser_plugin_guest_.get();
 }
 
 content::BrowserPluginEmbedder* WebContentsImpl::GetBrowserPluginEmbedder() {
   return browser_plugin_embedder_.get();
 }