Revert 113007 - DownloadManager intereface refactoring to allow cleaner DownloadItem unit tests.

chrome/browser/download/download_prefs.cc

Index: chrome/browser/download/download_prefs.cc
===================================================================
--- chrome/browser/download/download_prefs.cc	(revision 113083)
+++ chrome/browser/download/download_prefs.cc	(working copy)
@@ -14,15 +14,12 @@
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/download/chrome_download_manager_delegate.h"
 #include "chrome/browser/download/download_extensions.h"
-#include "chrome/browser/download/download_service.h"
 #include "chrome/browser/download/download_util.h"
 #include "chrome/browser/prefs/pref_service.h"
-#include "chrome/browser/profiles/profile.h"
 #include "chrome/common/pref_names.h"
 #include "content/browser/download/download_manager.h"
 #include "content/browser/download/save_package.h"
 #include "content/public/browser/browser_thread.h"
-#include "chrome/browser/download/download_service_factory.h"
 
 using content::BrowserThread;
 
@@ -105,15 +102,6 @@
   return delegate->download_prefs();
 }
 
-// static
-DownloadPrefs* DownloadPrefs::FromBrowserContext(
-    content::BrowserContext* browser_context) {
-  Profile* profile = static_cast<Profile*>(browser_context);
-  DownloadService* download_service =
-      DownloadServiceFactory::GetForProfile(profile);
-  return FromDownloadManager(download_service->GetDownloadManager());
-}
-
 bool DownloadPrefs::PromptForDownload() const {
   // If the DownloadDirectory policy is set, then |prompt_for_download_| should
   // always be false.