Move some Chrome-specific code paths out of DownloadManager and into the delegate. Getting rid of...

chrome/browser/profiles/profile_impl.cc

 // Copyright (c) 2011 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 "chrome/browser/profiles/profile_impl.h"
 
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/environment.h"
 #include "base/file_path.h"
@@ skipping 1235 matching lines @@
 
   if (!ps || !ps->Init()) {
     NOTREACHED() << "Could not initialize password manager.";
     return;
   }
   password_store_.swap(ps);
 }
 
 DownloadManager* ProfileImpl::GetDownloadManager() {
   if (!created_download_manager_) {
-    download_manager_delegate_.reset(new ChromeDownloadManagerDelegate());
+    download_manager_delegate_= new ChromeDownloadManagerDelegate();
     scoped_refptr<DownloadManager> dlm(
-        new DownloadManager(download_manager_delegate_.get(),
+        new DownloadManager(download_manager_delegate_,
                             g_browser_process->download_status_updater()));
     download_manager_delegate_->set_download_manager(dlm);
     dlm->Init(this);
     created_download_manager_ = true;
     download_manager_.swap(dlm);
   }
   return download_manager_.get();
 }
 
 bool ProfileImpl::HasCreatedDownloadManager() const {
@@ skipping 454 matching lines @@
 #endif
   }
   return prerender_manager_.get();
 }
 
 SpellCheckProfile* ProfileImpl::GetSpellCheckProfile() {
   if (!spellcheck_profile_.get())
     spellcheck_profile_.reset(new SpellCheckProfile());
   return spellcheck_profile_.get();
 }