Remove the concept of currentItemIndex

ios/web/public/test/fakes/test_navigation_manager.mm

Index: ios/web/public/test/fakes/test_navigation_manager.mm
diff --git a/ios/web/public/test/fakes/test_navigation_manager.mm b/ios/web/public/test/fakes/test_navigation_manager.mm
index 49cbc3b984ae419b0a460b60a6ee83a146ae17d1..bf98d9213c9023268c4e379276cb9ad126a39fb5 100644
--- a/ios/web/public/test/fakes/test_navigation_manager.mm
+++ b/ios/web/public/test/fakes/test_navigation_manager.mm
@@ -79,18 +79,13 @@
   return items_[index].get();
 }
 
-int TestNavigationManager::GetCurrentItemIndex() const {
-  return items_index_;
-}
-
 void TestNavigationManager::SetCurrentItemIndex(const int index) {

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

Let's also change this to SetLastCommittedItemIndex()

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

Done.

   DCHECK(index == -1 || index >= 0 && index < GetItemCount());
   items_index_ = index;
 }
 
 int TestNavigationManager::GetLastCommittedItemIndex() const {
-  NOTREACHED();
-  return 0;
+  return items_index_;
 }
 
 int TestNavigationManager::GetPendingItemIndex() const {