sync: move invalidation version prefs out of SyncPrefs into InvalidatorStorage.

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_
 #pragma once
 
 #include <string>
 
@@ skipping 21 matching lines @@
 #include "sync/util/unrecoverable_error_handler.h"
 #include "sync/util/weak_handle.h"
 
 class MessageLoop;
 class Profile;
 
 namespace browser_sync {
 
 class ChangeProcessor;
 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.
@@ skipping 89 matching lines @@
 // syncapi element, the SyncManager, on its own thread. This class handles
 // dispatch of potentially blocking calls to appropriate threads and ensures
 // that the SyncFrontend is only accessed on the UI loop.
 class SyncBackendHost : public BackendDataTypeConfigurer {
  public:
   typedef sync_api::SyncManager::Status Status;
 
   // Create a SyncBackendHost with a reference to the |frontend| that
   // it serves and communicates to via the SyncFrontend interface (on
   // the same thread it used to call the constructor).  Must outlive
-  // |sync_prefs|.
-  SyncBackendHost(const std::string& name,
-                  Profile* profile,
-                  const base::WeakPtr<SyncPrefs>& sync_prefs);
+  // |sync_prefs| and |invalidator_storage|.
+  SyncBackendHost(
+      const std::string& name,
+      Profile* profile,
+      const base::WeakPtr<SyncPrefs>& sync_prefs,
+      // TODO(tim): Temporary, remove when bug 124137 finished.
+      const base::WeakPtr<InvalidatorStorage>& invalidator_storage);
+
   // For testing.
   // TODO(skrul): Extract an interface so this is not needed.
   explicit SyncBackendHost(Profile* profile);
   virtual ~SyncBackendHost();
 
   // 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.
@@ skipping 350 matching lines @@
 
   // UI-thread cache of the last SyncSessionSnapshot received from syncapi.
   sessions::SyncSessionSnapshot last_snapshot_;
 
   DISALLOW_COPY_AND_ASSIGN(SyncBackendHost);
 };
 
 }  // namespace browser_sync
 
 #endif  // CHROME_BROWSER_SYNC_GLUE_SYNC_BACKEND_HOST_H_