Merge remote branch 'cros/upstream' into tempbranch3

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

 package autotest.common.ui;
 
-import com.google.gwt.user.client.ui.Composite;
-import com.google.gwt.user.client.ui.HorizontalPanel;
-import com.google.gwt.user.client.ui.Panel;
-import com.google.gwt.user.client.ui.RadioButton;
+import autotest.afe.IRadioButton;
 
 import java.util.ArrayList;
 import java.util.List;
 
-public class RadioChooser extends Composite {
+public class RadioChooser {
+    public static interface Display {
+        public IRadioButton generateRadioButton(String groupName, String choice);
+    }
+
     private static int groupNameCounter = 0;
-    
-    private List<RadioButton> radioButtons = new ArrayList<RadioButton>();
-    private RadioButton defaultButton;
-    private Panel container = new HorizontalPanel();
     private String groupName = getFreshGroupName();
-    
-    public RadioChooser() {
-        initWidget(container);
-        setStyleName("radio-chooser");
+    private List<IRadioButton> radioButtons = new ArrayList<IRadioButton>();
+    private IRadioButton defaultButton;
+
+    private Display display;
+
+    public void bindDisplay(Display display) {
+        this.display = display;
     }
-    
+
     private static String getFreshGroupName() {
         groupNameCounter++;
         return "group" + Integer.toString(groupNameCounter);
     }
-    
+
     public void addChoice(String choice) {
-        RadioButton button = new RadioButton(groupName, choice);
+        IRadioButton button = display.generateRadioButton(groupName, choice);
         if (radioButtons.isEmpty()) {
             // first button in this group
             defaultButton = button;
             button.setValue(true);
         }
         radioButtons.add(button);
-        container.add(button);
     }
-    
+
     public String getSelectedChoice() {
-        for (RadioButton button : radioButtons) {
+        for (IRadioButton button : radioButtons) {
             if (button.getValue()) {
                 return button.getText();
             }
         }
         throw new RuntimeException("No radio button selected");
     }
-    
+
     public void reset() {
         if (defaultButton != null) {
             defaultButton.setValue(true);
         }
     }
 
     public void setDefaultChoice(String defaultChoice) {
         defaultButton = findButtonForChoice(defaultChoice);
     }
 
     public void setSelectedChoice(String choice) {
         findButtonForChoice(choice).setValue(true);
     }
-    
-    private RadioButton findButtonForChoice(String choice) {
-        for (RadioButton button : radioButtons) {
+
+    private IRadioButton findButtonForChoice(String choice) {
+        for (IRadioButton button : radioButtons) {
             if (button.getText().equals(choice)) {
                 return button;
             }
         }
         throw new RuntimeException("No such choice found: " + choice);
     }
 }