[Sync] Rename csync namespace to syncer

sync/sessions/ordered_commit_set.h

Index: sync/sessions/ordered_commit_set.h
diff --git a/sync/sessions/ordered_commit_set.h b/sync/sessions/ordered_commit_set.h
index 7c1937e37ac883444d5c8b7ecef71d26f417acbb..1fe8d7c2bb62234b3c9511afbd0de4bccea8ed23 100644
--- a/sync/sessions/ordered_commit_set.h
+++ b/sync/sessions/ordered_commit_set.h
@@ -14,7 +14,7 @@
 #include "sync/internal_api/public/syncable/model_type.h"
 #include "sync/syncable/syncable_id.h"
 
-namespace csync {
+namespace syncer {
 namespace sessions {
 
 // TODO(ncarter): This code is more generic than just Commit and can
@@ -30,7 +30,7 @@ class OrderedCommitSet {
   typedef std::vector<size_t> Projection;
 
   // TODO(chron): Reserve space according to batch size?
-  explicit OrderedCommitSet(const csync::ModelSafeRoutingInfo& routes);
+  explicit OrderedCommitSet(const syncer::ModelSafeRoutingInfo& routes);
   ~OrderedCommitSet();
 
   bool HaveCommitItem(const int64 metahandle) const {
@@ -65,7 +65,7 @@ class OrderedCommitSet {
   // response one ModelSafeGroup at a time. See GetCommitIdAt for how the
   // indices contained in the returned Projection can be used.
   const Projection& GetCommitIdProjection(
-      csync::ModelSafeGroup group) const;
+      syncer::ModelSafeGroup group) const;
 
   size_t Size() const {
     return commit_ids_.size();
@@ -89,7 +89,7 @@ class OrderedCommitSet {
   void operator=(const OrderedCommitSet& other);
  private:
   // A set of CommitIdProjections associated with particular ModelSafeGroups.
-  typedef std::map<csync::ModelSafeGroup, Projection> Projections;
+  typedef std::map<syncer::ModelSafeGroup, Projection> Projections;
 
   // Helper container for return value of GetCommitItemAt.
   struct CommitItem {
@@ -115,11 +115,11 @@ class OrderedCommitSet {
   // and shouldn't take up too much extra space since commit lists are small.
   std::vector<syncable::ModelType> types_;
 
-  csync::ModelSafeRoutingInfo routes_;
+  syncer::ModelSafeRoutingInfo routes_;
 };
 
 }  // namespace sessions
-}  // namespace csync
+}  // namespace syncer
 
 #endif  // SYNC_SESSIONS_ORDERED_COMMIT_SET_H_