Move some sync/notifier to components/invalidation

Moves many of the files in sync/notifier to components/invalidation.

This change does not introduce any new dependencies.  The relevant
dependency rules both before and after this change should be:
- chrome/browser/invalidation and chrome in general depend on
  components/invalidation.
- components/invalidation depends on sync/notifier and sync in
  general.
- sync/notifier, components/invalidation, and various parts of
  chrome all depend on sync/internal_api/public.

The eventual goal is to move all of sync/notifier into
components/invalidation.  The invalidation-related parts of
sync/internal_api/public should be moved to components/invalidation,
too.  This will allow us to remove the deopendencies from
components/invalidation to sync, and remove sync's dependencies on
cacheinvalidation and libjingle.

This change is a regression in terms of shared library componentization.
the files in the sync/notifier folder could be built as a shared
library.  The files in compononents/invalidation do not support this
yet.  The SYNC_EXPORT declarations in the moved files have been changed
to INVALIDATION_EXPORT so as to not lose this information, but the
macros are currently #defined to no-ops.

This change does not attempt to rename any classes or namespaces.
Many of the files ported from sync/notifier still use the syncer
namespace.  Some, like SyncSystemResources, still have names tied
to their sync heritage.  This will be addressed in future CLs.

Some non-trivial or non-obvious changes include:
- invalidator_state.h was moved to sync/internal_api/public/base so it
could be shared by both sync/ and components/invalidation.  This should
be fixed in a future CL.
- FromNotifierReason was split out of invalidator_state.h and moved to
the newly-created components/invalidator_reason_util.h

TBR=zea,rtenneti,mallinath,dcheng
BUG=259559

Review URL: https://codereview.chromium.org/294123004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@274350 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 0 insertions, 97 deletions

diff --git a/sync/notifier/invalidator_registrar.h b/sync/notifier/invalidator_registrar.h
deleted file mode 100644
index 145b7c3..0000000
--- a/sync/notifier/invalidator_registrar.h
+++ /dev/null
@@ -1,97 +0,0 @@
-// Copyright 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 SYNC_NOTIFIER_INVALIDATOR_REGISTRAR_H_
-#define SYNC_NOTIFIER_INVALIDATOR_REGISTRAR_H_
-
-#include <map>
-
-#include "base/basictypes.h"
-#include "base/observer_list.h"
-#include "base/threading/thread_checker.h"
-#include "sync/base/sync_export.h"
-#include "sync/notifier/invalidation_handler.h"
-#include "sync/notifier/invalidation_util.h"
-
-namespace invalidation {
-class ObjectId;
-}  // namespace invalidation
-
-namespace syncer {
-
-class ObjectIdInvalidationMap;
-
-// A helper class for implementations of the Invalidator interface.  It helps
-// keep track of registered handlers and which object ID registrations are
-// associated with which handlers, so implementors can just reuse the logic
-// here to dispatch invalidations and other interesting notifications.
-class SYNC_EXPORT InvalidatorRegistrar {
- public:
-  InvalidatorRegistrar();
-
-  // It is an error to have registered handlers on destruction.
-  ~InvalidatorRegistrar();
-
-  // Starts sending notifications to |handler|.  |handler| must not be NULL,
-  // and it must already be registered.
-  void RegisterHandler(InvalidationHandler* handler);
-
-  // Updates the set of ObjectIds associated with |handler|.  |handler| must
-  // not be NULL, and must already be registered.  An ID must be registered for
-  // at most one handler.
-  void UpdateRegisteredIds(InvalidationHandler* handler,
-                           const ObjectIdSet& ids);
-
-  // Stops sending notifications to |handler|.  |handler| must not be NULL, and
-  // it must already be registered.  Note that this doesn't unregister the IDs
-  // associated with |handler|.
-  void UnregisterHandler(InvalidationHandler* handler);
-
-  ObjectIdSet GetRegisteredIds(InvalidationHandler* handler) const;
-
-  // Returns the set of all IDs that are registered to some handler (even
-  // handlers that have been unregistered).
-  ObjectIdSet GetAllRegisteredIds() const;
-
-  // Sorts incoming invalidations into a bucket for each handler and then
-  // dispatches the batched invalidations to the corresponding handler.
-  // Invalidations for IDs with no corresponding handler are dropped, as are
-  // invalidations for handlers that are not added.
-  void DispatchInvalidationsToHandlers(
-      const ObjectIdInvalidationMap& invalidation_map);
-
-  // Updates the invalidator state to the given one and then notifies
-  // all handlers.  Note that the order is important; handlers that
-  // call GetInvalidatorState() when notified will see the new state.
-  void UpdateInvalidatorState(InvalidatorState state);
-
-  // Returns the current invalidator state.  When called from within
-  // InvalidationHandler::OnInvalidatorStateChange(), this returns the
-  // updated state.
-  InvalidatorState GetInvalidatorState() const;
-
-  // Gets a new map for the name of invalidator handlers and their
-  // objects id. This is used by the InvalidatorLogger to be able
-  // to display every registered handlers and its objectsIds.
-  std::map<std::string, ObjectIdSet> GetSanitizedHandlersIdsMap();
-
-  bool IsHandlerRegisteredForTest(InvalidationHandler* handler) const;
-
-  // Needed for death tests.
-  void DetachFromThreadForTest();
-
- private:
-  typedef std::map<InvalidationHandler*, ObjectIdSet> HandlerIdsMap;
-
-  base::ThreadChecker thread_checker_;
-  ObserverList<InvalidationHandler> handlers_;
-  HandlerIdsMap handler_to_ids_map_;
-  InvalidatorState state_;
-
-  DISALLOW_COPY_AND_ASSIGN(InvalidatorRegistrar);
-};
-
-}  // namespace syncer
-
-#endif  // SYNC_NOTIFIER_INVALIDATOR_REGISTRAR_H_