Reintroduce password support to NativeTextfieldViews

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 2163dbded451db87a95c4695aca638cc52c1ffb1..92a51e10e192ed3d39ff99305ea0eb9085b8339f 100644
--- a/ui/views/controls/textfield/native_textfield_views.cc
+++ b/ui/views/controls/textfield/native_textfield_views.cc
@@ -299,7 +299,8 @@ void NativeTextfieldViews::WriteDragDataForView(views::View* sender,
 
 int NativeTextfieldViews::GetDragOperationsForView(views::View* sender,
                                                    const gfx::Point& p) {
-  if (!textfield_->IsEnabled() || !GetRenderText()->IsPointInSelection(p))
+  if (!textfield_->IsEnabled() || textfield_->IsPassword()
+          || !GetRenderText()->IsPointInSelection(p))
     return ui::DragDropTypes::DRAG_NONE;
   if (sender == this && !textfield_->read_only())
     return ui::DragDropTypes::DRAG_MOVE | ui::DragDropTypes::DRAG_COPY;
@@ -398,7 +399,7 @@ void NativeTextfieldViews::UpdateFont() {
 }
 
 void NativeTextfieldViews::UpdateIsPassword() {
-  model_->set_is_password(textfield_->IsPassword());
+  GetRenderText()->SetIsPassword(textfield_->IsPassword());
   OnCaretBoundsChanged();
   SchedulePaint();
   OnTextInputTypeChanged();
@@ -533,9 +534,9 @@ bool NativeTextfieldViews::IsCommandIdEnabled(int command_id) const {
   string16 result;
   switch (command_id) {
     case IDS_APP_CUT:
-      return editable && model_->HasSelection();
+      return editable && model_->HasSelection() && !textfield_->IsPassword();
     case IDS_APP_COPY:
-      return model_->HasSelection();
+      return model_->HasSelection() && !textfield_->IsPassword();
     case IDS_APP_PASTE:
       ViewsDelegate::views_delegate->GetClipboard()
           ->ReadText(ui::Clipboard::BUFFER_STANDARD, &result);