MacViews/a11y: Allow accessibility clients to update the selected text.

ui/views/accessibility/native_view_accessibility.cc

Index: ui/views/accessibility/native_view_accessibility.cc
diff --git a/ui/views/accessibility/native_view_accessibility.cc b/ui/views/accessibility/native_view_accessibility.cc
index 7b99429621ffa659c73ed2cb7226127133eb06d3..8b649dd5ecdd3d219a7c89d5fc3b9f90b9ba7dc3 100644
--- a/ui/views/accessibility/native_view_accessibility.cc
+++ b/ui/views/accessibility/native_view_accessibility.cc
@@ -224,6 +224,17 @@ bool NativeViewAccessibility::CanSetStringValue() {
          !state.set_value_callback.is_null();
 }
 
+bool NativeViewAccessibility::ReplaceSelectedText(
+    const base::string16& selection_replacement) {
+  if (!CanSetStringValue())
+    return false;
+
+  ui::AXViewState state;
+  view_->GetAccessibleState(&state);
+  state.replace_selection_callback.Run(selection_replacement);
+  return true;
+}

[tapted, 2016/09/27 07:16:30]

the `bool` arg would make it easier to share code with SetStringValue

[Patti Lor, 2016/10/20 04:19:34]

Done.

+
 void NativeViewAccessibility::OnWidgetDestroying(Widget* widget) {
   if (parent_widget_ == widget) {
     parent_widget_->RemoveObserver(this);