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

chrome/browser/download/chrome_download_manager_delegate.cc

Index: chrome/browser/download/chrome_download_manager_delegate.cc
===================================================================
--- chrome/browser/download/chrome_download_manager_delegate.cc	(revision 140592)
+++ chrome/browser/download/chrome_download_manager_delegate.cc	(working copy)
@@ -57,6 +57,7 @@
 #include "chrome/browser/download/save_package_file_picker_chromeos.h"
 #endif
 
+using content::BrowserContext;
 using content::BrowserThread;
 using content::DownloadId;
 using content::DownloadItem;
@@ -104,19 +105,16 @@
     : profile_(profile),
       next_download_id_(0),
       download_prefs_(new DownloadPrefs(profile->GetPrefs())) {
-}
-
-ChromeDownloadManagerDelegate::~ChromeDownloadManagerDelegate() {
-}
-
-void ChromeDownloadManagerDelegate::SetDownloadManager(DownloadManager* dm) {
-  download_manager_ = dm;
+  download_manager_ = BrowserContext::GetDownloadManager(profile_);
   download_history_.reset(new DownloadHistory(profile_));
   download_history_->Load(
       base::Bind(&DownloadManager::OnPersistentStoreQueryComplete,
-                 base::Unretained(dm)));
+                 base::Unretained(download_manager_.get())));
 }
 
+ChromeDownloadManagerDelegate::~ChromeDownloadManagerDelegate() {
+}
+
 void ChromeDownloadManagerDelegate::Shutdown() {
   download_history_.reset();
   download_prefs_.reset();
@@ -126,8 +124,8 @@
   if (!profile_->IsOffTheRecord())
     return DownloadId(this, next_download_id_++);
 
-  return profile_->GetOriginalProfile()->GetDownloadManager()->delegate()->
-      GetNextId();
+  return BrowserContext::GetDownloadManager(profile_->GetOriginalProfile())->
+      delegate()->GetNextId();
 }
 
 bool ChromeDownloadManagerDelegate::ShouldStartDownload(int32 download_id) {