Implement getting notifications up to the browser process.

content/child/notifications/notification_manager.h

Index: content/child/notifications/notification_manager.h
diff --git a/content/child/notifications/notification_manager.h b/content/child/notifications/notification_manager.h
index 6adce8741ea7a7368fbfd9fdbf2786b32c49cb0c..ae9a1ecbb8f8cadd514b94302973e7759a159bd8 100644
--- a/content/child/notifications/notification_manager.h
+++ b/content/child/notifications/notification_manager.h
@@ -7,18 +7,22 @@
 
 #include <map>
 #include <set>
+#include <vector>
 
+#include "base/id_map.h"
 #include "base/memory/ref_counted.h"
 #include "base/single_thread_task_runner.h"
 #include "content/child/notifications/notification_dispatcher.h"
 #include "content/child/notifications/pending_notifications_tracker.h"
 #include "content/child/worker_task_runner.h"
+#include "content/common/platform_notification_messages.h"
 #include "third_party/WebKit/public/platform/modules/notifications/WebNotificationManager.h"
 
 class SkBitmap;
 
 namespace content {
 
+struct PlatformNotificationData;
 class ThreadSafeSender;
 
 class NotificationManager : public blink::WebNotificationManager,
@@ -45,6 +49,10 @@ class NotificationManager : public blink::WebNotificationManager,
       const blink::WebNotificationData& notification_data,
       blink::WebServiceWorkerRegistration* service_worker_registration,
       blink::WebNotificationShowCallbacks* callbacks);
+  virtual void getNotifications(
+      const blink::WebString& filter_tag,
+      blink::WebServiceWorkerRegistration* service_worker_registration,
+      blink::WebNotificationGetCallbacks* callbacks);
   virtual void close(blink::WebNotificationDelegate* delegate);
   virtual void closePersistent(
       const blink::WebSerializedOrigin& origin,
@@ -67,6 +75,9 @@ class NotificationManager : public blink::WebNotificationManager,
   void OnDidShow(int notification_id);
   void OnDidClose(int notification_id);
   void OnDidClick(int notification_id);
+  void OnDidGetNotifications(
+      int request_id,
+      const std::vector<PersistentNotificationInfo>& notification_infos);
 
   // To be called when a page notification is ready to be displayed. Will
   // inform the browser process about all available data. The |delegate|,
@@ -96,6 +107,10 @@ class NotificationManager : public blink::WebNotificationManager,
   // ones, until all their associated resources have been fetched.
   PendingNotificationsTracker pending_notifications_;
 
+  // Tracks pending requests for getting a list of notifications.
+  IDMap<blink::WebNotificationGetCallbacks, IDMapOwnPointer>
+      pending_get_notification_requests_;
+
   // Map to store the delegate associated with a notification request Id.
   std::map<int, blink::WebNotificationDelegate*> active_page_notifications_;