sync: Remove SyncSourceInfo

sync/sessions/ordered_commit_set.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_SESSIONS_ORDERED_COMMIT_SET_H_
 #define SYNC_SESSIONS_ORDERED_COMMIT_SET_H_
 
 #include <map>
 #include <set>
 #include <vector>
@@ skipping 57 matching lines @@
       ModelSafeGroup group) const;
 
   size_t Size() const {
     return commit_ids_.size();
   }
 
   bool Empty() const {
     return Size() == 0;
   }
 
+  // Returns all the types that are included in this list.
+  ModelTypeSet Types() const {
+    return types_in_list_;
+  }
+
   // Returns true iff any of the commit ids added to this set have model type
   // BOOKMARKS.
   bool HasBookmarkCommitId() const;
 
   void Append(const OrderedCommitSet& other);
   void AppendReverse(const OrderedCommitSet& other);
   void Truncate(size_t max_size);
 
   // Removes all entries from this set.
   void Clear();
@@ skipping 20 matching lines @@
   Projections projections_;
 
   // We need this because of operations like AppendReverse that take ids from
   // one OrderedCommitSet and insert into another -- we need to know the
   // group for each ID so that the insertion can update the appropriate
   // projection.  We could store it in commit_ids_, but sometimes we want
   // to just return the vector of Ids, so this is more straightforward
   // and shouldn't take up too much extra space since commit lists are small.
   std::vector<ModelType> types_;
 
+  // The set of types which are included in this particular list.
+  ModelTypeSet types_in_list_;
+
   ModelSafeRoutingInfo routes_;
 };
 
 }  // namespace sessions
 }  // namespace syncer
 
 #endif  // SYNC_SESSIONS_ORDERED_COMMIT_SET_H_