Revert "Merge remote branch 'cros/upstream' into tempbranch2"

frontend/client/src/autotest/afe/IButton.java

Index: frontend/client/src/autotest/afe/IButton.java
diff --git a/frontend/client/src/autotest/afe/IButton.java b/frontend/client/src/autotest/afe/IButton.java
deleted file mode 100644
index 77b47f76e058cd37352512e516218454a9073ea4..0000000000000000000000000000000000000000
--- a/frontend/client/src/autotest/afe/IButton.java
+++ /dev/null
@@ -1,17 +0,0 @@
-package autotest.afe;
-
-import com.google.gwt.event.dom.client.HasClickHandlers;
-import com.google.gwt.user.client.ui.Button;
-import com.google.gwt.user.client.ui.HasText;
-
-public interface IButton extends HasText, HasClickHandlers {
-    public void setEnabled(boolean enabled);
-
-    public static class ButtonImpl extends Button implements IButton {
-        public ButtonImpl() {}
-
-        public ButtonImpl(String html) {
-            super(html);
-        }
-    }
-}