Implement chrome.downloads.onDeterminingFilename()

chrome/browser/download/download_service.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/download_service.h"
 
 #include "base/callback.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/download/chrome_download_manager_delegate.h"
 #include "chrome/browser/download/download_history.h"
 #include "chrome/browser/download/download_service_factory.h"
 #include "chrome/browser/download/download_status_updater.h"
+#include "chrome/browser/extensions/api/downloads/downloads_api.h"
 #include "chrome/browser/history/history_service.h"
 #include "chrome/browser/history/history_service_factory.h"
 #include "chrome/browser/net/chrome_net_log.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "content/public/browser/download_manager.h"
 
 using content::BrowserContext;
 using content::DownloadManager;
 using content::DownloadManagerDelegate;
@@ skipping 15 matching lines @@
   }
   download_manager_created_ = true;
 
   // In case the delegate has already been set by
   // SetDownloadManagerDelegateForTesting.
   if (!manager_delegate_.get())
     manager_delegate_ = new ChromeDownloadManagerDelegate(profile_);
 
   manager_delegate_->SetDownloadManager(manager);
 
+#if !defined(OS_ANDROID)
+  extension_event_router_.reset(new ExtensionDownloadsEventRouter(
+      profile_, manager));
+#endif
+
   if (!profile_->IsOffTheRecord()) {
     HistoryService* hs = HistoryServiceFactory::GetForProfile(
         profile_, Profile::EXPLICIT_ACCESS);
     if (hs)
       download_history_.reset(new DownloadHistory(
           manager,
           scoped_ptr<DownloadHistory::HistoryAdapter>(
             new DownloadHistory::HistoryAdapter(hs))));
   }
 
@@ skipping 55 matching lines @@
 
 void DownloadService::Shutdown() {
   if (download_manager_created_) {
     // Normally the DownloadManager would be shutdown later, after the Profile
     // goes away and BrowserContext's destructor runs. But that would be too
     // late for us since we need to use the profile (indirectly through history
     // code) when the DownloadManager is shutting down. So we shut it down
     // manually earlier. See http://crbug.com/131692
     BrowserContext::GetDownloadManager(profile_)->Shutdown();
   }
+#if !defined(OS_ANDROID)
+  extension_event_router_.reset();
+#endif
   manager_delegate_ = NULL;
   download_history_.reset();
 }