[Sync] Rename csync namespace to syncer

chrome/browser/sync/profile_sync_service_harness.h

Index: chrome/browser/sync/profile_sync_service_harness.h
diff --git a/chrome/browser/sync/profile_sync_service_harness.h b/chrome/browser/sync/profile_sync_service_harness.h
index 88ebd062d9482b0c2278615016cc2ce0eb654cfa..1c3b05e44ca268b9e96058a9e9f15ea793cd5d1f 100644
--- a/chrome/browser/sync/profile_sync_service_harness.h
+++ b/chrome/browser/sync/profile_sync_service_harness.h
@@ -161,7 +161,7 @@ class ProfileSyncServiceHarness
   bool DisableSyncForAllDatatypes();
 
   // Returns a snapshot of the current sync session.
-  csync::sessions::SyncSessionSnapshot GetLastSessionSnapshot() const;
+  syncer::sessions::SyncSessionSnapshot GetLastSessionSnapshot() const;
 
   // Encrypt the datatype |type|. This method will block while the sync backend
   // host performs the encryption or a timeout is reached.
@@ -290,7 +290,7 @@ class ProfileSyncServiceHarness
 
   // A helper for implementing IsDataSynced() and IsFullySynced().
   bool IsDataSyncedImpl(
-      const csync::sessions::SyncSessionSnapshot& snapshot);
+      const syncer::sessions::SyncSessionSnapshot& snapshot);
 
   // Returns true if the sync client has no unsynced items.
   bool IsDataSynced();