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

chrome/browser/sync/glue/frontend_data_type_controller.h

Index: chrome/browser/sync/glue/frontend_data_type_controller.h
diff --git a/chrome/browser/sync/glue/frontend_data_type_controller.h b/chrome/browser/sync/glue/frontend_data_type_controller.h
index 65bd460574f23158d4f4b084d4bbcf2228ad8e44..f55b59b68d2527ec0ca70701c46adea2aeb4aa09 100644
--- a/chrome/browser/sync/glue/frontend_data_type_controller.h
+++ b/chrome/browser/sync/glue/frontend_data_type_controller.h
@@ -17,9 +17,15 @@
 class Profile;
 class ProfileSyncService;
 class ProfileSyncComponentsFactory;
+
+namespace base {
+class TimeDelta;
+}
+
+namespace csync {
 class SyncError;
+}
 
-namespace base { class TimeDelta; }
 namespace browser_sync {
 
 class AssociatorInterface;
@@ -33,7 +39,7 @@ class ChangeProcessor;
 //    syncable::ModelType type() const
 //    void CreateSyncComponents();
 // NOTE: This class is deprecated! New sync datatypes should be using the
-// SyncableService API and the UIDataTypeController instead.
+// csync::SyncableService API and the UIDataTypeController instead.
 // TODO(zea): Delete this once all types are on the new API.
 class FrontendDataTypeController : public DataTypeController {
  public:
@@ -83,7 +89,7 @@ class FrontendDataTypeController : public DataTypeController {
   virtual void CleanUpState();
 
   // Helper methods for cleaning up state an running the start callback.
-  virtual void StartFailed(StartResult result, const SyncError& error);
+  virtual void StartFailed(StartResult result, const csync::SyncError& error);
   virtual void FinishStart(StartResult result);
 
   // Record association time.