[Sync] Move sessions/ to engine/cycle/ and rename things to match.

components/sync/engine_impl/directory_commit_contribution.h

 // 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_ENGINE_IMPL_DIRECTORY_COMMIT_CONTRIBUTION_H_
 #define COMPONENTS_SYNC_ENGINE_IMPL_DIRECTORY_COMMIT_CONTRIBUTION_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <memory>
 #include <vector>
 
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "components/sync/base/model_type.h"
 #include "components/sync/base/syncer_error.h"
 #include "components/sync/engine_impl/commit_contribution.h"
+#include "components/sync/engine_impl/cycle/directory_type_debug_info_emitter.h"
+#include "components/sync/engine_impl/cycle/status_controller.h"
 #include "components/sync/protocol/sync.pb.h"
-#include "components/sync/sessions_impl/directory_type_debug_info_emitter.h"
-#include "components/sync/sessions_impl/status_controller.h"
 
 namespace syncer {
 
-namespace sessions {
 class StatusController;
-}  // namespace sessions
 
 namespace syncable {
 class Directory;
 }  // namespace syncable
 
 // This class represents a set of items belonging to a particular data type that
 // have been selected from the syncable Directory and prepared for commit.
 //
 // This class handles the bookkeeping related to the commit of these items,
 // including processing the commit response message and setting and unsetting
@@ skipping 23 matching lines @@
   void AddToCommitMessage(sync_pb::ClientToServerMessage* msg) override;
 
   // Updates this contribution's contents in accordance with the provided
   // |response|.
   //
   // This function may make model-neutral changes to the directory.  It is not
   // valid to call this function unless AddToCommitMessage() was called earlier.
   // This function should not be called more than once.
   SyncerError ProcessCommitResponse(
       const sync_pb::ClientToServerResponse& response,
-      sessions::StatusController* status) override;
+      StatusController* status) override;
 
   // Cleans up any temporary state associated with the commit.  Must be called
   // before destruction.
   void CleanUp() override;
 
   // Returns the number of entries included in this contribution.
   size_t GetNumEntries() const override;
 
  private:
   class DirectoryCommitContributionTest;
@@ skipping 23 matching lines @@
 
   // A pointer to the commit counters of our parent CommitContributor.
   DirectoryTypeDebugInfoEmitter* debug_info_emitter_;
 
   DISALLOW_COPY_AND_ASSIGN(DirectoryCommitContribution);
 };
 
 }  // namespace syncer
 
 #endif  // COMPONENTS_SYNC_ENGINE_IMPL_DIRECTORY_COMMIT_CONTRIBUTION_H_