Save/restore views omnibox selection on blur/focus, select all on click focus.

ui/views/controls/textfield/native_textfield_views.cc

Index: ui/views/controls/textfield/native_textfield_views.cc
diff --git a/ui/views/controls/textfield/native_textfield_views.cc b/ui/views/controls/textfield/native_textfield_views.cc
index 894c68bfb4395f6e893e05b296afac879f4583af..2b347803237820e0305eb66fc493209a4a7c3633 100644
--- a/ui/views/controls/textfield/native_textfield_views.cc
+++ b/ui/views/controls/textfield/native_textfield_views.cc
@@ -103,9 +103,7 @@ bool NativeTextfieldViews::OnMousePressed(const ui::MouseEvent& event) {
   TrackMouseClicks(event);
 
   TextfieldController* controller = textfield_->GetController();
-  if (!(controller && controller->HandleMouseEvent(textfield_, event)) ||
-      // TODO: Remove once NativeTextfield implementations are consolidated to
-      // Textfield.
+  if (!(controller && controller->HandleMouseEvent(textfield_, event)) &&
       !textfield_->OnMousePressed(event)) {
     HandleMousePressEvent(event);
   }