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

chrome/browser/sync/glue/non_frontend_data_type_controller.h

Index: chrome/browser/sync/glue/non_frontend_data_type_controller.h
diff --git a/chrome/browser/sync/glue/non_frontend_data_type_controller.h b/chrome/browser/sync/glue/non_frontend_data_type_controller.h
index a8fc09ca096f2ba36fe6d5f8f8e988041f13cf12..413526eaab3bea3752c4373e0998a02916e7d710 100644
--- a/chrome/browser/sync/glue/non_frontend_data_type_controller.h
+++ b/chrome/browser/sync/glue/non_frontend_data_type_controller.h
@@ -20,9 +20,15 @@
 class Profile;
 class ProfileSyncService;
 class ProfileSyncComponentsFactory;
+
+namespace base {
+class TimeDelta;
+}
+
+namespace csync {
 class SyncError;
+}
 
-namespace base { class TimeDelta; }
 namespace browser_sync {
 
 class AssociatorInterface;
@@ -95,18 +101,18 @@ class NonFrontendDataTypeController : public DataTypeController {
   // Start failed, make sure we record it, clean up state, and invoke the
   // callback on the frontend thread.
   // Note: this is performed on the datatype's thread.
-  virtual void StartFailed(StartResult result, const SyncError& error);
+  virtual void StartFailed(StartResult result, const csync::SyncError& error);
 
   // Start up complete, update the state and invoke the callback.
   // Note: this is performed on the datatype's thread.
   virtual void StartDone(DataTypeController::StartResult result,
                          DataTypeController::State new_state,
-                         const SyncError& error);
+                         const csync::SyncError& error);
 
   // UI thread implementation of StartDone.
   virtual void StartDoneImpl(DataTypeController::StartResult result,
                              DataTypeController::State new_state,
-                             const SyncError& error);
+                             const csync::SyncError& error);
 
   // Perform any DataType controller specific state cleanup before stopping
   // the datatype controller. The default implementation is a no-op.