Merge remote branch 'cros/upstream' into tempbranch3

frontend/client/src/autotest/common/ui/RadioChooserDisplay.java

+package autotest.common.ui;
+
+import autotest.afe.IRadioButton;
+import autotest.afe.IRadioButton.RadioButtonImpl;
+
+import com.google.gwt.user.client.ui.Composite;
+import com.google.gwt.user.client.ui.HorizontalPanel;
+import com.google.gwt.user.client.ui.Panel;
+
+public class RadioChooserDisplay extends Composite implements RadioChooser.Display {
+    private Panel container = new HorizontalPanel();
+
+    public RadioChooserDisplay() {
+        initWidget(container);
+        setStyleName("radio-chooser");
+    }
+
+    public IRadioButton generateRadioButton(String groupName, String choice) {
+        RadioButtonImpl radioButton = new RadioButtonImpl(groupName, choice);
+        container.add(radioButton);
+        return radioButton;
+    }
+}