Remove the concept of currentItemIndex

ios/shared/chrome/browser/tabs/web_state_list_unittest.mm

Index: ios/shared/chrome/browser/tabs/web_state_list_unittest.mm
diff --git a/ios/shared/chrome/browser/tabs/web_state_list_unittest.mm b/ios/shared/chrome/browser/tabs/web_state_list_unittest.mm
index 2d2d149b6df6dbdb38c8f974efcff2268caf7d6d..babb8c15a20eaef10a7acf33e20d2fd17f9fc100 100644
--- a/ios/shared/chrome/browser/tabs/web_state_list_unittest.mm
+++ b/ios/shared/chrome/browser/tabs/web_state_list_unittest.mm
@@ -111,8 +111,6 @@ void WebStateDetachedAt(WebStateList* web_state_list,
   FakeNavigationManager() = default;
 
   // web::NavigationManager implementation.
-  int GetCurrentItemIndex() const override { return current_item_index_; }
-
   int GetLastCommittedItemIndex() const override { return current_item_index_; }

[kkhorimoto, 2017/03/21 23:54:16]

As long as you're touching this, can we
s/current_item_index_/last_committed_item_index_?

[liaoyuke, 2017/03/22 18:50:37]

Done.

 
   bool CanGoBack() const override { return current_item_index_ > 0; }