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

ui/views/controls/textfield/textfield.h

Index: ui/views/controls/textfield/textfield.h
diff --git a/ui/views/controls/textfield/textfield.h b/ui/views/controls/textfield/textfield.h
index 21dcca1a578fd0b1d316d46510e8f17aded8487b..6921255b7ec64eb864c8eaa02fd3f679cb0e6d91 100644
--- a/ui/views/controls/textfield/textfield.h
+++ b/ui/views/controls/textfield/textfield.h
@@ -89,6 +89,9 @@ class VIEWS_EXPORT Textfield : public View,
   void AppendText(const base::string16& new_text);
 
   // Inserts |new_text| at the cursor position, replacing any selected text.
+  // This method is used to handle user input via paths Textfield doesn't
+  // normally handle, so it calls UpdateAfterChange() and notifies observers of
+  // changes.
   void InsertOrReplaceText(const base::string16& new_text);
 
   // Returns the text that is currently selected. Call sites should take care to
@@ -329,6 +332,7 @@ class VIEWS_EXPORT Textfield : public View,
 
  private:
   friend class TextfieldTestApi;
+  FRIEND_TEST_ALL_PREFIXES(TextfieldTest, CursorBlinkRestartsOnInsertOrReplace);

[msw, 2016/10/07 17:16:38]

Please plumb the call through TextfieldTestApi instead of making this test
fixture a friend of the class.

[Elly Fong-Jones, 2016/10/07 17:25:57]

Done.

 
   // View overrides:
   // Declared final since overriding by subclasses would interfere with the