[Sync] Move the last things out of core/.

components/sync/core_impl/js_mutation_event_observer.h

Index: components/sync/core_impl/js_mutation_event_observer.h
diff --git a/components/sync/core_impl/js_mutation_event_observer.h b/components/sync/core_impl/js_mutation_event_observer.h
deleted file mode 100644
index e9d4440e757066f4e34b282d49d7f20ba83d20ff..0000000000000000000000000000000000000000
--- a/components/sync/core_impl/js_mutation_event_observer.h
+++ /dev/null
@@ -1,70 +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 COMPONENTS_SYNC_CORE_IMPL_JS_MUTATION_EVENT_OBSERVER_H_
-#define COMPONENTS_SYNC_CORE_IMPL_JS_MUTATION_EVENT_OBSERVER_H_
-
-#include <stdint.h>
-
-#include <string>
-
-#include "base/compiler_specific.h"
-#include "base/macros.h"
-#include "base/memory/weak_ptr.h"
-#include "base/threading/non_thread_safe.h"
-#include "components/sync/base/weak_handle.h"
-#include "components/sync/core/sync_manager.h"
-#include "components/sync/syncable/transaction_observer.h"
-
-namespace tracked_objects {
-class Location;
-}  // namespace tracked_objects
-
-namespace syncer {
-
-class JsEventDetails;
-class JsEventHandler;
-
-// Observes all change- and transaction-related events and routes a
-// summarized version to a JsEventHandler.
-class JsMutationEventObserver : public SyncManager::ChangeObserver,
-                                public syncable::TransactionObserver,
-                                public base::NonThreadSafe {
- public:
-  JsMutationEventObserver();
-
-  ~JsMutationEventObserver() override;
-
-  base::WeakPtr<JsMutationEventObserver> AsWeakPtr();
-
-  void InvalidateWeakPtrs();
-
-  void SetJsEventHandler(const WeakHandle<JsEventHandler>& event_handler);
-
-  // SyncManager::ChangeObserver implementation.
-  void OnChangesApplied(ModelType model_type,
-                        int64_t write_transaction_id,
-                        const ImmutableChangeRecordList& changes) override;
-  void OnChangesComplete(ModelType model_type) override;
-
-  // syncable::TransactionObserver implementation.
-  void OnTransactionWrite(
-      const syncable::ImmutableWriteTransactionInfo& write_transaction_info,
-      ModelTypeSet models_with_changes) override;
-
- private:
-  WeakHandle<JsEventHandler> event_handler_;
-
-  void HandleJsEvent(const tracked_objects::Location& from_here,
-                     const std::string& name,
-                     const JsEventDetails& details);
-
-  base::WeakPtrFactory<JsMutationEventObserver> weak_ptr_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(JsMutationEventObserver);
-};
-
-}  // namespace syncer
-
-#endif  // COMPONENTS_SYNC_CORE_IMPL_JS_MUTATION_EVENT_OBSERVER_H_