Move downloads API to extensions namespace

chrome/browser/download/download_service.h

 // 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.
 
 #ifndef CHROME_BROWSER_DOWNLOAD_DOWNLOAD_SERVICE_H_
 #define CHROME_BROWSER_DOWNLOAD_DOWNLOAD_SERVICE_H_
 
 #include "base/basictypes.h"
 #include "base/callback_forward.h"
 #include "base/memory/scoped_ptr.h"
 #include "components/keyed_service/core/keyed_service.h"
 
 class ChromeDownloadManagerDelegate;
 class DownloadHistory;
 class DownloadUIController;
 class ExtensionDownloadsEventRouter;
 class Profile;
 
 namespace content {
 class DownloadManager;
 }
 
+namespace extensions {
+class ExtensionDownloadsEventRouter;
+}
+
 // Owning class for ChromeDownloadManagerDelegate.
 class DownloadService : public KeyedService {
  public:
   explicit DownloadService(Profile* profile);
   virtual ~DownloadService();
 
   // Get the download manager delegate, creating it if it doesn't already exist.
   ChromeDownloadManagerDelegate* GetDownloadManagerDelegate();
 
   // Get the interface to the history system. Returns NULL if profile is
   // incognito or if the DownloadManager hasn't been created yet or if there is
   // no HistoryService for profile.
   DownloadHistory* GetDownloadHistory();
 
 #if !defined(OS_ANDROID)
-  ExtensionDownloadsEventRouter* GetExtensionEventRouter() {
+  extensions::ExtensionDownloadsEventRouter* GetExtensionEventRouter() {
     return extension_event_router_.get();
   }
 #endif
 
   // Has a download manager been created?
   bool HasCreatedDownloadManager();
 
   // Number of non-malicious downloads associated with this instance of the
   // service.
   int NonMaliciousDownloadCount() const;
@@ skipping 41 matching lines @@
   // Once we have extensions on android, we probably need the EventRouter
   // in ContentViewDownloadDelegate which knows about both GET and POST
   // downloads.
 #if !defined(OS_ANDROID)
   // The ExtensionDownloadsEventRouter dispatches download creation, change, and
   // erase events to extensions. Like ChromeDownloadManagerDelegate, it's a
   // chrome-level concept and its lifetime should match DownloadManager. There
   // should be a separate EDER for on-record and off-record managers.
   // There does not appear to be a separate ExtensionSystem for on-record and
   // off-record profiles, so ExtensionSystem cannot own the EDER.
-  scoped_ptr<ExtensionDownloadsEventRouter> extension_event_router_;
+  scoped_ptr<extensions::ExtensionDownloadsEventRouter> extension_event_router_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(DownloadService);
 };
 
 #endif  // CHROME_BROWSER_DOWNLOAD_DOWNLOAD_SERVICE_H_