[Sync] Log time spent configuring data types

chrome/browser/sync/glue/data_type_manager_impl.h

Index: chrome/browser/sync/glue/data_type_manager_impl.h
diff --git a/chrome/browser/sync/glue/data_type_manager_impl.h b/chrome/browser/sync/glue/data_type_manager_impl.h
index 9764981c475247bcaf2fac279dd0b7f0b568871b..bd7707472fc2ca9ae999310381d1ee708882e0c3 100644
--- a/chrome/browser/sync/glue/data_type_manager_impl.h
+++ b/chrome/browser/sync/glue/data_type_manager_impl.h
@@ -13,6 +13,7 @@
 
 #include "base/basictypes.h"
 #include "base/task.h"
+#include "base/time.h"
 
 namespace browser_sync {
 
@@ -59,6 +60,10 @@ class DataTypeManagerImpl : public DataTypeManager {
       const tracked_objects::Location& location);
   void SetBlockedAndNotify();
 
+  // Add to |configure_time_delta_| the time since we last called
+  // Restart().
+  void AddToConfigureTime();
+
   SyncBackendHost* backend_;
   // Map of all data type controllers that are available for sync.
   // This list is determined at startup by various command line flags.
@@ -79,6 +84,13 @@ class DataTypeManagerImpl : public DataTypeManager {
 
   ScopedRunnableMethodFactory<DataTypeManagerImpl> method_factory_;
 
+  // The last time Restart() was called.
+  base::Time last_restart_time_;
+
+  // The accumulated time spent between calls to Restart() and going
+  // to the DONE/BLOCKED state.
+  base::TimeDelta configure_time_delta_;
+
   DISALLOW_COPY_AND_ASSIGN(DataTypeManagerImpl);
 };