[Sync] Initial support for encrypting any datatype (no UI hookup yet).

chrome/browser/sync/glue/session_change_processor.h

 // Copyright (c) 2010 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_SESSION_CHANGE_PROCESSOR_H_
 #define CHROME_BROWSER_SYNC_GLUE_SESSION_CHANGE_PROCESSOR_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "chrome/browser/sessions/session_backend.h"
@@ skipping 17 matching lines @@
 // SessionService and applying them to the sync_api 'syncable'
 // model, and vice versa. All operations and use of this class are
 // from the UI thread.
 class SessionChangeProcessor : public ChangeProcessor,
                                public NotificationObserver {
  public:
   // Does not take ownership of either argument.
   SessionChangeProcessor(
       UnrecoverableErrorHandler* error_handler,
       SessionModelAssociator* session_model_associator);
+  SessionChangeProcessor(
+      UnrecoverableErrorHandler* error_handler,
+      SessionModelAssociator* session_model_associator,
+      bool setup_for_test);
   virtual ~SessionChangeProcessor();
 
   // NotificationObserver implementation.
   // BrowserSessionProvider -> sync_api model change application.
   virtual void Observe(NotificationType type,
                        const NotificationSource& source,
                        const NotificationDetails& details);
 
   // ChangeProcessor implementation.
   // sync_api model -> BrowserSessionProvider change application.
   virtual void ApplyChangesFromSyncModel(
       const sync_api::BaseTransaction* trans,
       const sync_api::SyncManager::ChangeRecord* changes,
       int change_count);
 
  protected:
   // ChangeProcessor implementation.
   virtual void StartImpl(Profile* profile);
   virtual void StopImpl();
  private:
   void StartObserving();
   void StopObserving();
   SessionModelAssociator* session_model_associator_;
   NotificationRegistrar notification_registrar_;
 
   // Owner of the SessionService.  Non-NULL iff |running()| is true.
   Profile* profile_;
 
+  // To bypass some checks/codepaths not applicable in tests.
+  bool setup_for_test_;
+
   DISALLOW_COPY_AND_ASSIGN(SessionChangeProcessor);
 };
 
 }  // namespace browser_sync
 
 #endif  // CHROME_BROWSER_SYNC_GLUE_SESSION_CHANGE_PROCESSOR_H_