sync: rewrite DataTypeManagerImpl without pause/resume logic.

chrome/browser/sync/glue/data_type_manager.h

Index: chrome/browser/sync/glue/data_type_manager.h
diff --git a/chrome/browser/sync/glue/data_type_manager.h b/chrome/browser/sync/glue/data_type_manager.h
index e904452243f6e25a8a50128fe6f1075e81f9583a..99a9c29414d03977633816ed37c3b87770fb0785 100644
--- a/chrome/browser/sync/glue/data_type_manager.h
+++ b/chrome/browser/sync/glue/data_type_manager.h
@@ -24,9 +24,14 @@ class DataTypeManager {
     DOWNLOAD_PENDING,  // Not implemented yet: Waiting for the syncer to
                        // complete the initial download of new data
                        // types.
+
+    // TODO(tim): Deprecated. Bug 26339.
     PAUSE_PENDING,     // Waiting for the sync backend to pause.
     CONFIGURING,       // Data types are being started.
+
+    // TODO(tim): Deprecated. Bug 26339.
     RESUME_PENDING,    // Waiting for the sync backend to resume.
+
     CONFIGURED,        // All enabled data types are running.
     STOPPING           // Data types are being stopped.
   };