[Sync] Clean up intra-sync DEPS significantly.

components/sync/sessions_impl/model_type_registry.h

Index: components/sync/sessions_impl/model_type_registry.h
diff --git a/components/sync/sessions_impl/model_type_registry.h b/components/sync/sessions_impl/model_type_registry.h
deleted file mode 100644
index fb8d1b27df1ae163f9d71a7d337270621a01d051..0000000000000000000000000000000000000000
--- a/components/sync/sessions_impl/model_type_registry.h
+++ /dev/null
@@ -1,169 +0,0 @@
-// Copyright 2014 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 COMPONENTS_SYNC_SESSIONS_IMPL_MODEL_TYPE_REGISTRY_H_
-#define COMPONENTS_SYNC_SESSIONS_IMPL_MODEL_TYPE_REGISTRY_H_
-
-#include <map>
-#include <memory>
-#include <string>
-#include <vector>
-
-#include "base/macros.h"
-#include "base/memory/scoped_vector.h"
-#include "base/memory/weak_ptr.h"
-#include "components/sync/base/model_type.h"
-#include "components/sync/core/model_type_connector.h"
-#include "components/sync/core/non_blocking_sync_common.h"
-#include "components/sync/core/sync_encryption_handler.h"
-#include "components/sync/engine/model_safe_worker.h"
-#include "components/sync/engine_impl/nudge_handler.h"
-#include "components/sync/sessions/type_debug_info_observer.h"
-
-namespace syncer_v2 {
-struct DataTypeState;
-class ModelTypeProcessor;
-class ModelTypeWorker;
-}
-
-namespace syncer {
-
-namespace syncable {
-class Directory;
-}  // namespace syncable
-
-class CommitContributor;
-class DirectoryCommitContributor;
-class DirectoryUpdateHandler;
-class DirectoryTypeDebugInfoEmitter;
-class UpdateHandler;
-
-typedef std::map<ModelType, UpdateHandler*> UpdateHandlerMap;
-typedef std::map<ModelType, CommitContributor*> CommitContributorMap;
-typedef std::map<ModelType, DirectoryTypeDebugInfoEmitter*>
-    DirectoryTypeDebugInfoEmitterMap;
-
-// Keeps track of the sets of active update handlers and commit contributors.
-class ModelTypeRegistry : public syncer_v2::ModelTypeConnector,
-                          public SyncEncryptionHandler::Observer {
- public:
-  // Constructs a ModelTypeRegistry that supports directory types.
-  ModelTypeRegistry(const std::vector<scoped_refptr<ModelSafeWorker>>& workers,
-                    syncable::Directory* directory,
-                    NudgeHandler* nudge_handler);
-  ~ModelTypeRegistry() override;
-
-  // Sets the set of enabled types.
-  void SetEnabledDirectoryTypes(const ModelSafeRoutingInfo& routing_info);
-
-  // Enables an off-thread type for syncing.  Connects the given proxy
-  // and its task_runner to the newly created worker.
-  //
-  // Expects that the proxy's ModelType is not currently enabled.
-  void ConnectType(syncer::ModelType type,
-                   std::unique_ptr<syncer_v2::ActivationContext>
-                       activation_context) override;
-
-  // Disables the syncing of an off-thread type.
-  //
-  // Expects that the type is currently enabled.
-  // Deletes the worker associated with the type.
-  void DisconnectType(syncer::ModelType type) override;
-
-  // Implementation of SyncEncryptionHandler::Observer.
-  void OnPassphraseRequired(
-      PassphraseRequiredReason reason,
-      const sync_pb::EncryptedData& pending_keys) override;
-  void OnPassphraseAccepted() override;
-  void OnBootstrapTokenUpdated(const std::string& bootstrap_token,
-                               BootstrapTokenType type) override;
-  void OnEncryptedTypesChanged(ModelTypeSet encrypted_types,
-                               bool encrypt_everything) override;
-  void OnEncryptionComplete() override;
-  void OnCryptographerStateChanged(Cryptographer* cryptographer) override;
-  void OnPassphraseTypeChanged(PassphraseType type,
-                               base::Time passphrase_time) override;
-  void OnLocalSetPassphraseEncryption(
-      const SyncEncryptionHandler::NigoriState& nigori_state) override;
-
-  // Gets the set of enabled types.
-  ModelTypeSet GetEnabledTypes() const;
-
-  // Returns set of types for which initial set of updates was downloaded and
-  // applied.
-  ModelTypeSet GetInitialSyncEndedTypes() const;
-
-  // Simple getters.
-  UpdateHandlerMap* update_handler_map();
-  CommitContributorMap* commit_contributor_map();
-  DirectoryTypeDebugInfoEmitterMap* directory_type_debug_info_emitter_map();
-
-  void RegisterDirectoryTypeDebugInfoObserver(
-      syncer::TypeDebugInfoObserver* observer);
-  void UnregisterDirectoryTypeDebugInfoObserver(
-      syncer::TypeDebugInfoObserver* observer);
-  bool HasDirectoryTypeDebugInfoObserver(
-      const syncer::TypeDebugInfoObserver* observer) const;
-  void RequestEmitDebugInfo();
-
-  base::WeakPtr<ModelTypeConnector> AsWeakPtr();
-
- private:
-  void OnEncryptionStateChanged();
-
-  ModelTypeSet GetEnabledNonBlockingTypes() const;
-  ModelTypeSet GetEnabledDirectoryTypes() const;
-
-  // Sets of handlers and contributors.
-  ScopedVector<DirectoryCommitContributor> directory_commit_contributors_;
-  ScopedVector<DirectoryUpdateHandler> directory_update_handlers_;
-  ScopedVector<DirectoryTypeDebugInfoEmitter>
-      directory_type_debug_info_emitters_;
-
-  ScopedVector<syncer_v2::ModelTypeWorker> model_type_workers_;
-
-  // Maps of UpdateHandlers and CommitContributors.
-  // They do not own any of the objects they point to.
-  UpdateHandlerMap update_handler_map_;
-  CommitContributorMap commit_contributor_map_;
-
-  // Map of DebugInfoEmitters for directory types.
-  // Non-blocking types handle debug info differently.
-  // Does not own its contents.
-  DirectoryTypeDebugInfoEmitterMap directory_type_debug_info_emitter_map_;
-
-  // The known ModelSafeWorkers.
-  std::map<ModelSafeGroup, scoped_refptr<ModelSafeWorker>> workers_map_;
-
-  // The directory.  Not owned.
-  syncable::Directory* directory_;
-
-  // A copy of the directory's most recent cryptographer.
-  std::unique_ptr<Cryptographer> cryptographer_;
-
-  // The set of encrypted types.
-  ModelTypeSet encrypted_types_;
-
-  // The NudgeHandler.  Not owned.
-  NudgeHandler* nudge_handler_;
-
-  // The set of enabled directory types.
-  ModelTypeSet enabled_directory_types_;
-
-  // The set of observers of per-type debug info.
-  //
-  // Each of the DirectoryTypeDebugInfoEmitters needs such a list.  There's
-  // a lot of them, and their lifetimes are unpredictable, so it makes the
-  // book-keeping easier if we just store the list here.  That way it's
-  // guaranteed to live as long as this sync backend.
-  base::ObserverList<TypeDebugInfoObserver> type_debug_info_observers_;
-
-  base::WeakPtrFactory<ModelTypeRegistry> weak_ptr_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(ModelTypeRegistry);
-};
-
-}  // namespace syncer
-
-#endif  // COMPONENTS_SYNC_SESSIONS_IMPL_MODEL_TYPE_REGISTRY_H_