views: call UpdateAfterChange() in Textfield::InsertOrReplaceText().

chrome/browser/ui/views/omnibox/omnibox_view_views.cc

Index: chrome/browser/ui/views/omnibox/omnibox_view_views.cc
diff --git a/chrome/browser/ui/views/omnibox/omnibox_view_views.cc b/chrome/browser/ui/views/omnibox/omnibox_view_views.cc
index 7ae3288bc1690809679d0de4f241fb2f858ee1a7..b27cc533ee693f907b6a07558e67a4aeb93aa92b 100644
--- a/chrome/browser/ui/views/omnibox/omnibox_view_views.cc
+++ b/chrome/browser/ui/views/omnibox/omnibox_view_views.cc
@@ -389,6 +389,10 @@ void OmniboxViewViews::OnPaste() {
     // OnAfterPossibleChange(), even if identical contents are pasted.
     state_before_change_.text.clear();
     InsertOrReplaceText(text);
+    // Since InsertOrReplaceText() is used for programmatically updating state,

[msw, 2016/10/07 01:47:52]

Textfield::InsertOrReplaceText is *only* called here. Can that just call
UpdateAfterChange internally? If you do that, feel free to update its function
comment wrt programmatic vs. interactive text changes, etc.

+    // it won't update cursor state, but since OnPaste() is actually triggered
+    // by a user action, the cursor does need to be updated.
+    UpdateAfterChange(true, true);
     OnAfterPossibleChange(true);
   }
 }