| Index: components/search/search.cc | 
| diff --git a/components/search/search.cc b/components/search/search.cc | 
| index 1d0d6ada2bb8df297fae133e31fe6aaf09b580b8..783f3ceb403ef1fec02c15bb8d09fca1c36dd917 100644 | 
| --- a/components/search/search.cc | 
| +++ b/components/search/search.cc | 
| @@ -68,9 +68,6 @@ const char kReuseInstantSearchBasePage[] = "reuse_instant_search_base_page"; | 
|  | 
| }  // namespace | 
|  | 
| -// Negative start-margin values prevent the "es_sm" parameter from being used. | 
| -const int kDisableStartMargin = -1; | 
| - | 
| bool IsInstantExtendedAPIEnabled() { | 
| #if defined(OS_IOS) | 
| return false; | 
|  |