Refactor Textfield and AutocompleteEditViewViews.

views/controls/textfield/textfield.cc

Index: views/controls/textfield/textfield.cc
diff --git a/views/controls/textfield/textfield.cc b/views/controls/textfield/textfield.cc
index ec99e77eda2ceb8bf2fef6b4f6c2c28051d7c39b..7dfa4daf743ff696df24a3dcf65e9e95b2e41e5f 100644
--- a/views/controls/textfield/textfield.cc
+++ b/views/controls/textfield/textfield.cc
@@ -141,6 +141,13 @@ void Textfield::ClearSelection() const {
     native_wrapper_->ClearSelection();
 }
 
+bool Textfield::HasSelection() const {
+  ui::Range range;
+  if (native_wrapper_)
+    native_wrapper_->GetSelectedRange(&range);
+  return !range.is_empty();
+}
+
 void Textfield::SetTextColor(SkColor color) {
   text_color_ = color;
   use_default_text_color_ = false;