[Sync] Put everything in sync/api into csync namespace

chrome/browser/sync/glue/data_type_error_handler.h

Index: chrome/browser/sync/glue/data_type_error_handler.h
diff --git a/chrome/browser/sync/glue/data_type_error_handler.h b/chrome/browser/sync/glue/data_type_error_handler.h
index bea93f7c9ee724dec2021d9700f768a454c0b5b5..962a85b9f8f440193c78e7f36a8e0d87b0a1adba 100644
--- a/chrome/browser/sync/glue/data_type_error_handler.h
+++ b/chrome/browser/sync/glue/data_type_error_handler.h
@@ -23,10 +23,10 @@ class DataTypeErrorHandler {
       const tracked_objects::Location& from_here,
       const std::string& message) = 0;
 
-  // This will create a SyncError object. This will also upload
+  // This will create a csync::SyncError object. This will also upload
   // a breakpad call stack to crash server. A sync error usually means
   // that sync has to be disabled either for that type or completely.
-  virtual SyncError CreateAndUploadError(
+  virtual csync::SyncError CreateAndUploadError(
       const tracked_objects::Location& location,
       const std::string& message,
       syncable::ModelType type) = 0;