Move downloads API to extensions namespace

chrome/browser/download/chrome_download_manager_delegate.cc

 // Copyright (c) 2012 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/download/chrome_download_manager_delegate.h"
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
@@ skipping 518 matching lines @@
 #endif
   return NULL;
 }
 
 void ChromeDownloadManagerDelegate::NotifyExtensions(
     DownloadItem* download,
     const base::FilePath& virtual_path,
     const NotifyExtensionsCallback& callback) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 #if !defined(OS_ANDROID)
-  ExtensionDownloadsEventRouter* router =
-      DownloadServiceFactory::GetForBrowserContext(profile_)->
-      GetExtensionEventRouter();
+  extensions::ExtensionDownloadsEventRouter* router =
+      DownloadServiceFactory::GetForBrowserContext(profile_)
+          ->GetExtensionEventRouter();
   if (router) {
     base::Closure original_path_callback =
         base::Bind(callback, base::FilePath(),
                    DownloadPathReservationTracker::UNIQUIFY);
     router->OnDeterminingFilename(download, virtual_path.BaseName(),
                                   original_path_callback,
                                   callback);
     return;
   }
 #endif
@@ skipping 154 matching lines @@
   DownloadItem* item = download_manager_->GetDownload(download_id);
   if (!target_info->target_path.empty() && item &&
       IsOpenInBrowserPreferreredForFile(target_info->target_path) &&
       target_info->is_filetype_handled_safely)
     DownloadItemModel(item).SetShouldPreferOpeningInBrowser(true);
   callback.Run(target_info->target_path,
                target_info->target_disposition,
                target_info->danger_type,
                target_info->intermediate_path);
 }