Push API: Store push registration IDs for GetRegistration etc

content/browser/push_messaging/push_messaging_message_filter.h

Index: content/browser/push_messaging/push_messaging_message_filter.h
diff --git a/content/browser/push_messaging/push_messaging_message_filter.h b/content/browser/push_messaging/push_messaging_message_filter.h
index 60ea948ad1dd0a435b869c20a0b1d41f3cf3d411..c879776b0189fb3a8c3ea948069f2fc32f9c20d3 100644
--- a/content/browser/push_messaging/push_messaging_message_filter.h
+++ b/content/browser/push_messaging/push_messaging_message_filter.h
@@ -9,6 +9,7 @@
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
+#include "content/common/service_worker/service_worker_status_code.h"
 #include "content/public/browser/browser_message_filter.h"
 #include "content/public/common/push_messaging_status.h"
 #include "url/gurl.h"
@@ -77,6 +78,13 @@ class PushMessagingMessageFilter : public BrowserMessageFilter {
                    const std::string& push_registration_id,
                    PushRegistrationStatus status);
 
+  void DoPersistRegistration(const RegisterData& data,
+                             const std::string& push_registration_id);
+
+  void DidPersistRegistration(const RegisterData& data,
+                              const std::string& push_registration_id,
+                              ServiceWorkerStatusCode service_worker_status);
+
   void SendRegisterError(const RegisterData& data,
                          PushRegistrationStatus status);
   void SendRegisterSuccess(const RegisterData& data,
@@ -90,9 +98,13 @@ class PushMessagingMessageFilter : public BrowserMessageFilter {
   // Owned by the content embedder's browsing context.
   PushMessagingService* service_;
 
-  // Should only be used for asynchronous calls to the PushMessagingService on
-  // the UI thread, which may have external dependencies that supersede the
+  // Should only be used for asynchronous calls to ServiceWorkerStorage on the
+  // IO thread, which may have external dependencies that supersede the
   // lifetime of this messaging filter.
+  base::WeakPtrFactory<PushMessagingMessageFilter> weak_factory_io_to_io_;
+
+  // TODO(johnme): Remove this, it seems unsafe since this could be destroyed
+  // on the IO thread while the callback runs on the UI thread.
   base::WeakPtrFactory<PushMessagingMessageFilter> weak_factory_ui_to_ui_;
 
   DISALLOW_COPY_AND_ASSIGN(PushMessagingMessageFilter);