sync: Remove SyncSourceInfo

sync/internal_api/public/sessions/sync_session_snapshot.h

 // 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_INTERNAL_API_PUBLIC_SESSIONS_SYNC_SESSION_SNAPSHOT_H_
 #define SYNC_INTERNAL_API_PUBLIC_SESSIONS_SYNC_SESSION_SNAPSHOT_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/time/time.h"
 #include "sync/base/sync_export.h"
 #include "sync/internal_api/public/base/model_type.h"
 #include "sync/internal_api/public/base/progress_marker_map.h"
 #include "sync/internal_api/public/sessions/model_neutral_state.h"
-#include "sync/internal_api/public/sessions/sync_source_info.h"
 
 namespace base {
 class DictionaryValue;
 }
 
 namespace syncer {
 namespace sessions {
 
 // An immutable snapshot of state from a SyncSession.  Convenient to use as
 // part of notifications as it is inherently thread-safe.
 // TODO(zea): if copying this all over the place starts getting expensive,
 // consider passing around immutable references instead of values.
 // Default copy and assign welcome.
 class SYNC_EXPORT SyncSessionSnapshot {
  public:
   SyncSessionSnapshot();
   SyncSessionSnapshot(
       const ModelNeutralState& model_neutral_state,
       const ProgressMarkerMap& download_progress_markers,
       bool is_silenced,
       int num_encryption_conflicts,
       int num_hierarchy_conflicts,
       int num_server_conflicts,
-      const SyncSourceInfo& source,
       bool notifications_enabled,
       size_t num_entries,
       base::Time sync_start_time,
       const std::vector<int>& num_entries_by_type,
-      const std::vector<int>& num_to_delete_entries_by_type);
+      const std::vector<int>& num_to_delete_entries_by_type,
+      sync_pb::GetUpdatesCallerInfo::GetUpdatesSource legacy_updates_source);
   ~SyncSessionSnapshot();
 
   // Caller takes ownership of the returned dictionary.
   base::DictionaryValue* ToValue() const;
 
   std::string ToString() const;
 
   ModelNeutralState model_neutral_state() const {
     return model_neutral_state_;
   }
   int64 num_server_changes_remaining() const;
   const ProgressMarkerMap& download_progress_markers() const;
   bool is_silenced() const;
   int num_encryption_conflicts() const;
   int num_hierarchy_conflicts() const;
   int num_server_conflicts() const;
-  SyncSourceInfo source() const;
   bool notifications_enabled() const;
   size_t num_entries() const;
   base::Time sync_start_time() const;
   const std::vector<int>& num_entries_by_type() const;
   const std::vector<int>& num_to_delete_entries_by_type() const;
+  sync_pb::GetUpdatesCallerInfo::GetUpdatesSource legacy_updates_source() const;
 
   // Set iff this snapshot was not built using the default constructor.
   bool is_initialized() const;
 
  private:
   ModelNeutralState model_neutral_state_;
   ProgressMarkerMap download_progress_markers_;
   bool is_silenced_;
   int num_encryption_conflicts_;
   int num_hierarchy_conflicts_;
   int num_server_conflicts_;
-  SyncSourceInfo source_;
   bool notifications_enabled_;
   size_t num_entries_;
   base::Time sync_start_time_;
 
   std::vector<int> num_entries_by_type_;
   std::vector<int> num_to_delete_entries_by_type_;
 
+  // This enum value used to be an important part of the sync protocol, but is
+  // now deprecated.  We continue to use it in the snapshot because there is
+  // still some value in displaying it on the about:sync page.
+  sync_pb::GetUpdatesCallerInfo::GetUpdatesSource legacy_updates_source_;
+
   bool is_initialized_;
 };
 
 }  // namespace sessions
 }  // namespace syncer
 
 #endif  // SYNC_INTERNAL_API_PUBLIC_SESSIONS_SYNC_SESSION_SNAPSHOT_H_