Updating to take into account the new Mozart IME Action API (#3714)

content_handler/runtime_holder.cc

@@ -405,8 +405,8 @@ bool RuntimeHolder::HandleTextInputPlatformMessage(
     state->selection = mozart::TextSelection::New();
     state->composing = mozart::TextRange::New();
     input_connection_->GetInputMethodEditor(
-        mozart::KeyboardType::TEXT, std::move(state),
-        text_input_binding_.NewBinding(),
+        mozart::KeyboardType::TEXT, mozart::InputMethodAction::DONE,
+        std::move(state), text_input_binding_.NewBinding(),
         fidl::GetProxy(&input_method_editor_));
   } else if (method->value == "TextInput.setEditingState") {
     if (input_method_editor_) {
@@ -624,6 +624,10 @@ void RuntimeHolder::DidUpdateState(mozart::TextInputStatePtr state,
       nullptr));
 }
 
+void RuntimeHolder::OnAction(mozart::InputMethodAction action) {
+  // TODO
+}
+
 ftl::WeakPtr<RuntimeHolder> RuntimeHolder::GetWeakPtr() {
   return weak_factory_.GetWeakPtr();
 }

content_handler/runtime_holder.h

@@ -72,6 +72,7 @@ class RuntimeHolder : public blink::RuntimeDelegate,
   // |mozart::InputMethodEditorClient| implementation:
   void DidUpdateState(mozart::TextInputStatePtr state,
                       mozart::InputEventPtr event) override;
+  void OnAction(mozart::InputMethodAction action) override;
 
   ftl::WeakPtr<RuntimeHolder> GetWeakPtr();