Chromium build failed with heap leak checker, or configured with

chrome/browser/sync/profile_sync_service.cc

Index: chrome/browser/sync/profile_sync_service.cc
diff --git a/chrome/browser/sync/profile_sync_service.cc b/chrome/browser/sync/profile_sync_service.cc
index 852ed4ba12410c1d54be001908df2c6c35720d29..0954c29ed98786c23bee7d82508b6d7e973e4323 100644
--- a/chrome/browser/sync/profile_sync_service.cc
+++ b/chrome/browser/sync/profile_sync_service.cc
@@ -557,7 +557,6 @@ const char* ProfileSyncService::GetPrefNameForDataType(
       return prefs::kSyncAutofill;
     case syncable::AUTOFILL_PROFILE:
       return prefs::kSyncAutofillProfile;
-      break;
     case syncable::THEMES:
       return prefs::kSyncThemes;
     case syncable::TYPED_URLS:
@@ -569,9 +568,10 @@ const char* ProfileSyncService::GetPrefNameForDataType(
     case syncable::SESSIONS:
       return prefs::kSyncSessions;
     default:
-      NOTREACHED();
-      return NULL;
+      break;
   }
+  NOTREACHED();
+  return NULL;
 }
 
 // An invariant has been violated.  Transition to an error state where we try