Reland DownloadManager::GetAllDownloads actually does now

chrome/browser/automation/automation_provider_observers.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_AUTOMATION_AUTOMATION_PROVIDER_OBSERVERS_H_
 #define CHROME_BROWSER_AUTOMATION_AUTOMATION_PROVIDER_OBSERVERS_H_
 
 #include <deque>
 #include <map>
 #include <set>
@@ skipping 1083 matching lines @@
       public content::DownloadItem::Observer {
  public:
   AllDownloadsCompleteObserver(
       AutomationProvider* provider,
       IPC::Message* reply_message,
       content::DownloadManager* download_manager,
       ListValue* pre_download_ids);
   virtual ~AllDownloadsCompleteObserver();
 
   // content::DownloadManager::Observer.
-  virtual void ModelChanged(content::DownloadManager* manager) OVERRIDE;
+  virtual void OnDownloadCreated(
+      content::DownloadManager* manager, content::DownloadItem* item) OVERRIDE;
 
   // content::DownloadItem::Observer.
   virtual void OnDownloadUpdated(content::DownloadItem* download) OVERRIDE;
-  virtual void OnDownloadOpened(content::DownloadItem* download) OVERRIDE {}
 
  private:
   void ReplyIfNecessary();
 
   base::WeakPtr<AutomationProvider> provider_;
   scoped_ptr<IPC::Message> reply_message_;
   content::DownloadManager* download_manager_;
   std::set<int> pre_download_ids_;
   std::set<content::DownloadItem*> pending_downloads_;
 
@@ skipping 707 matching lines @@
   base::WeakPtr<AutomationProvider> automation_;
   scoped_ptr<IPC::Message> reply_message_;
   int new_window_id_;
   int num_loads_;
 
   DISALLOW_COPY_AND_ASSIGN(
       BrowserOpenedWithExistingProfileNotificationObserver);
 };
 
 #endif  // CHROME_BROWSER_AUTOMATION_AUTOMATION_PROVIDER_OBSERVERS_H_