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

components/sync/engine_impl/get_updates_processor.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_GET_UPDATES_PROCESSOR_H_
 #define COMPONENTS_SYNC_ENGINE_IMPL_GET_UPDATES_PROCESSOR_H_
 
 #include <map>
 #include <vector>
 
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "components/sync/base/model_type.h"
 #include "components/sync/engine/model_safe_worker.h"
 #include "components/sync/engine_impl/model_type_registry.h"
 #include "components/sync/protocol/sync.pb.h"
 
 namespace sync_pb {
 class GetUpdatesMessage;
 class GetUpdatesResponse;
 }  // namespace sync_pb
 
 namespace syncer {
 
-namespace sessions {
+class DebugInfoGetter;
+class GetUpdatesDelegate;
 class StatusController;
-class SyncSession;
-class SyncSessionContext;
-class DebugInfoGetter;
-}  // namespace sessions
+class SyncCycle;
+class SyncCycleContext;
 
 namespace syncable {
 class Directory;
 }  // namespace syncable
 
-class GetUpdatesDelegate;
-
 // This class manages the set of per-type syncer objects.
 //
 // It owns these types and hides the details of iterating over all of them.
 // Most methods allow the caller to specify a subset of types on which the
 // operation is to be applied.  It is a logic error if the supplied set of types
 // contains a type which was not previously registered with the manager.
 class GetUpdatesProcessor {
  public:
   explicit GetUpdatesProcessor(UpdateHandlerMap* update_handler_map,
                                const GetUpdatesDelegate& delegate);
   ~GetUpdatesProcessor();
 
   // Downloads and processes a batch of updates for the specified types.
   //
   // Returns SYNCER_OK if the download succeeds, SERVER_MORE_TO_DOWNLOAD if the
   // download succeeded but there are still some updates left to fetch on the
   // server, or an appropriate error value in case of failure.
   SyncerError DownloadUpdates(ModelTypeSet* request_types,
-                              sessions::SyncSession* session,
+                              SyncCycle* cycle,
                               bool create_mobile_bookmarks_folder);
 
   // Applies any downloaded and processed updates.
-  void ApplyUpdates(ModelTypeSet gu_types,
-                    sessions::StatusController* status_controller);
+  void ApplyUpdates(ModelTypeSet gu_types, StatusController* status_controller);
 
  private:
   // Populates a GetUpdates request message with per-type information.
   void PrepareGetUpdates(ModelTypeSet gu_types,
                          sync_pb::ClientToServerMessage* message);
 
   // Sends the specified message to the server and stores the response in a
-  // member of the |session|'s StatusController.
+  // member of the |cycle|'s StatusController.
   SyncerError ExecuteDownloadUpdates(ModelTypeSet* request_types,
-                                     sessions::SyncSession* session,
+                                     SyncCycle* cycle,
                                      sync_pb::ClientToServerMessage* msg);
 
   // Helper function for processing responses from the server.  Defined here for
   // testing.
   SyncerError ProcessResponse(const sync_pb::GetUpdatesResponse& gu_response,
                               ModelTypeSet proto_request_types,
-                              sessions::StatusController* status);
+                              StatusController* status);
 
   // Processes a GetUpdates responses for each type.
   syncer::SyncerError ProcessGetUpdatesResponse(
       ModelTypeSet gu_types,
       const sync_pb::GetUpdatesResponse& gu_response,
-      sessions::StatusController* status_controller);
+      StatusController* status_controller);
 
-  static void CopyClientDebugInfo(sessions::DebugInfoGetter* debug_info_getter,
+  static void CopyClientDebugInfo(DebugInfoGetter* debug_info_getter,
                                   sync_pb::DebugInfo* debug_info);
 
   FRIEND_TEST_ALL_PREFIXES(GetUpdatesProcessorTest, BookmarkNudge);
   FRIEND_TEST_ALL_PREFIXES(GetUpdatesProcessorTest, NotifyMany);
   FRIEND_TEST_ALL_PREFIXES(GetUpdatesProcessorTest, InitialSyncRequest);
   FRIEND_TEST_ALL_PREFIXES(GetUpdatesProcessorTest, ConfigureTest);
   FRIEND_TEST_ALL_PREFIXES(GetUpdatesProcessorTest, PollTest);
   FRIEND_TEST_ALL_PREFIXES(GetUpdatesProcessorTest, RetryTest);
   FRIEND_TEST_ALL_PREFIXES(GetUpdatesProcessorTest, NudgeWithRetryTest);
   FRIEND_TEST_ALL_PREFIXES(GetUpdatesProcessorTest, InvalidResponse);
   FRIEND_TEST_ALL_PREFIXES(GetUpdatesProcessorTest, MoreToDownloadResponse);
   FRIEND_TEST_ALL_PREFIXES(GetUpdatesProcessorTest, NormalResponseTest);
   FRIEND_TEST_ALL_PREFIXES(DownloadUpdatesDebugInfoTest,
                            VerifyCopyClientDebugInfo_Empty);
   FRIEND_TEST_ALL_PREFIXES(DownloadUpdatesDebugInfoTest, VerifyCopyOverwrites);
 
   // A map of 'update handlers', one for each enabled type.
   // This must be kept in sync with the routing info.  Our temporary solution to
   // that problem is to initialize this map in set_routing_info().
   UpdateHandlerMap* update_handler_map_;
 
   const GetUpdatesDelegate& delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(GetUpdatesProcessor);
 };
 
 }  // namespace syncer
 
 #endif  // COMPONENTS_SYNC_ENGINE_IMPL_GET_UPDATES_PROCESSOR_H_