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

chrome/test/base/testing_profile.cc

Index: chrome/test/base/testing_profile.cc
===================================================================
--- chrome/test/base/testing_profile.cc	(revision 140592)
+++ chrome/test/base/testing_profile.cc	(working copy)
@@ -68,7 +68,7 @@
 
 using base::Time;
 using content::BrowserThread;
-using content::DownloadManager;
+using content::DownloadManagerDelegate;
 using testing::NiceMock;
 using testing::Return;
 
@@ -541,7 +541,7 @@
   return top_sites_.get();
 }
 
-DownloadManager* TestingProfile::GetDownloadManager() {
+DownloadManagerDelegate* TestingProfile::GetDownloadManagerDelegate() {
   return NULL;
 }