Use IPC to wait for download in DownloadTest.

chrome/browser/automation/automation_provider_observers.h

 // Copyright (c) 2009 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 470 matching lines @@
 
  private:
   NotificationRegistrar registrar_;
   AutomationProvider* automation_;
   IPC::Message* reply_message_;
 
   DISALLOW_COPY_AND_ASSIGN(LoginManagerObserver);
 };
 #endif
 
+// Waits for the download shelf to appear or disappear
+// (depending on |visibility|).
+class DownloadShelfVisibilityObserver : public NotificationObserver {
+ public:
+  DownloadShelfVisibilityObserver(AutomationProvider* automation,
+                                  Browser* browser,
+                                  bool visiblity,
+                                  IPC::Message* reply_message);
+  ~DownloadShelfVisibilityObserver();
+
+  // NotificationObserver interface.
+  virtual void Observe(NotificationType type, const NotificationSource& source,
+                       const NotificationDetails& details);
+
+ private:
+  NotificationRegistrar registrar_;
+  AutomationProvider* automation_;
+  bool visibility_;
+  IPC::Message* reply_message_;
+
+  DISALLOW_COPY_AND_ASSIGN(DownloadShelfVisibilityObserver);
+};
+
 // Waits for the bookmark model to load.
 class AutomationProviderBookmarkModelObserver : BookmarkModelObserver {
  public:
   AutomationProviderBookmarkModelObserver(AutomationProvider* provider,
                                           IPC::Message* reply_message,
                                           BookmarkModel* model);
   virtual ~AutomationProviderBookmarkModelObserver();
 
   virtual void Loaded(BookmarkModel* model) {
     ReplyAndDelete(true);
@@ skipping 28 matching lines @@
 
   scoped_refptr<AutomationProvider> automation_provider_;
   IPC::Message* reply_message_;
   BookmarkModel* model_;
 
   DISALLOW_COPY_AND_ASSIGN(AutomationProviderBookmarkModelObserver);
 };
 
 // When asked for pending downloads, the DownloadManager places
 // results in a DownloadManager::Observer.
-class AutomationProviderDownloadManagerObserver :
-    public DownloadManager::Observer {
+class AutomationProviderDownloadManagerObserver
+    : public DownloadManager::Observer {
  public:
   AutomationProviderDownloadManagerObserver() : DownloadManager::Observer()  {}
   virtual ~AutomationProviderDownloadManagerObserver() {}
   virtual void ModelChanged() {}
   virtual void SetDownloads(std::vector<DownloadItem*>& downloads) {
     downloads_ = downloads;
   }
   std::vector<DownloadItem*> Downloads() {
     return downloads_;
   }
@@ skipping 63 matching lines @@
  private:
   NotificationRegistrar registrar_;
   AutomationProvider* automation_;
   IPC::Message* reply_message_;
   NavigationController* controller_;
 
   DISALLOW_COPY_AND_ASSIGN(OmniboxAcceptNotificationObserver);
 };
 
 #endif  // CHROME_BROWSER_AUTOMATION_AUTOMATION_PROVIDER_OBSERVERS_H_