Move creation and ownership of DownloadManager from the embedder to content. This matches all the o…

content/browser/download/save_package.cc

Index: content/browser/download/save_package.cc
===================================================================
--- content/browser/download/save_package.cc	(revision 140592)
+++ content/browser/download/save_package.cc	(working copy)
@@ -45,6 +45,7 @@
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebPageSerializerClient.h"
 
 using base::Time;
+using content::BrowserContext;
 using content::BrowserThread;
 using content::DownloadItem;
 using content::NavigationEntry;
@@ -263,7 +264,8 @@
   file_manager_ = rdh->save_file_manager();
   DCHECK(file_manager_);
 
-  download_manager_ = web_contents()->GetBrowserContext()->GetDownloadManager();
+  download_manager_ = BrowserContext::GetDownloadManager(
+      web_contents()->GetBrowserContext());
   DCHECK(download_manager_);
 
   download_stats::RecordSavePackageEvent(download_stats::SAVE_PACKAGE_STARTED);