Make SyncBackendRegistrar aware of loaded data

chrome/browser/sync/glue/sync_backend_host.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_SYNC_GLUE_SYNC_BACKEND_HOST_H_
 #define CHROME_BROWSER_SYNC_GLUE_SYNC_BACKEND_HOST_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 25 matching lines @@
 namespace syncer {
 class SyncManagerFactory;
 }
 
 namespace browser_sync {
 
 class ChangeProcessor;
 class ChromeSyncNotificationBridge;
 struct Experiments;
 class InvalidatorStorage;
-class JsBackend;
-class JsEventHandler;
 class SyncBackendRegistrar;
 class SyncPrefs;
 
 // SyncFrontend is the interface used by SyncBackendHost to communicate with
 // the entity that created it and, presumably, is interested in sync-related
 // activity.
 // NOTE: All methods will be invoked by a SyncBackendHost on the same thread
 // used to create that SyncBackendHost.
 class SyncFrontend {
  public:
@@ skipping 105 matching lines @@
   // Called on |frontend_loop_| to kick off asynchronous initialization.
   // As a fallback when no cached auth information is available, try to
   // bootstrap authentication using |lsid|, if it isn't empty.
   // Optionally delete the Sync Data folder (if it's corrupt).
   // |report_unrecoverable_error_function| can be NULL.
   // Note: |unrecoverable_error_handler| may be invoked from any thread.
   void Initialize(
       SyncFrontend* frontend,
       const syncer::WeakHandle<syncer::JsEventHandler>& event_handler,
       const GURL& service_url,
-      syncer::ModelTypeSet initial_types,
       const syncer::SyncCredentials& credentials,
       bool delete_sync_data_folder,
       syncer::SyncManagerFactory* sync_manager_factory,
       syncer::UnrecoverableErrorHandler* unrecoverable_error_handler,
       syncer::ReportUnrecoverableErrorFunction
           report_unrecoverable_error_function);
 
   // Called from |frontend_loop| to update SyncCredentials.
   void UpdateCredentials(const syncer::SyncCredentials& credentials);
 
@@ skipping 55 matching lines @@
   // be called synchronously with the data type's model association so
   // no changes are dropped between model association and change
   // processor activation.
   void ActivateDataType(
       syncer::ModelType type, syncer::ModelSafeGroup group,
       ChangeProcessor* change_processor);
 
   // Deactivates change processing for the given data type.
   void DeactivateDataType(syncer::ModelType type);
 
-  // Called on |frontend_loop_| to obtain a handle to the UserShare needed
-  // for creating transactions.
+  // Called on |frontend_loop_| to obtain a handle to the UserShare needed for
+  // creating transactions.  Should not be called before we signal
+  // initialization is complete with OnBackendInitialized().
   syncer::UserShare* GetUserShare() const;
 
   // Called from any thread to obtain current status information in detailed or
   // summarized form.
   Status GetDetailedStatus();
   syncer::sessions::SyncSessionSnapshot GetLastSessionSnapshot() const;
 
   // Determines if the underlying sync engine has made any local changes to
   // items that have not yet been synced with the server.
   // ONLY CALL THIS IF OnInitializationComplete was called!
@@ skipping 76 matching lines @@
       syncer::ModelTypeSet types_to_config,
       const syncer::ModelSafeRoutingInfo& routing_info,
       const base::Callback<void(syncer::ModelTypeSet)>& ready_task,
       const base::Closure& retry_callback);
 
   // Called when the syncer has finished performing a configuration.
   void FinishConfigureDataTypesOnFrontendLoop(
       const syncer::ModelTypeSet failed_configuration_types,
       const base::Callback<void(syncer::ModelTypeSet)>& ready_task);
 
+  // Called when the SyncManager has been constructed and initialized.
+  virtual void HandleSyncManagerInitializationOnFrontendLoop(
+      const syncer::WeakHandle<syncer::JsBackend>& js_backend, bool success,
+      syncer::ModelTypeSet restored_types);
+
  private:
   // The real guts of SyncBackendHost, to keep the public client API clean.
   class Core;
 
   // An enum representing the steps to initializing the SyncBackendHost.
   enum InitializationState {
     NOT_ATTEMPTED,
     CREATING_SYNC_MANAGER,  // We're waiting for the first callback from the
                             // sync thread to inform us that the sync manager
                             // has been created.
@@ skipping 144 matching lines @@
 
   // UI-thread cache of the last SyncSessionSnapshot received from syncapi.
   syncer::sessions::SyncSessionSnapshot last_snapshot_;
 
   DISALLOW_COPY_AND_ASSIGN(SyncBackendHost);
 };
 
 }  // namespace browser_sync
 
 #endif  // CHROME_BROWSER_SYNC_GLUE_SYNC_BACKEND_HOST_H_