[CUJ] Modify getWebPage API to public

Bug: 201738027
Test: run cuj/test

Change-Id: I67762bba0ee04ec09c1ecdbf8f679155251e29ca
diff --git a/libraries/app-helpers/interfaces/handheld/src/android/platform/helpers/IChromeHelper.java b/libraries/app-helpers/interfaces/handheld/src/android/platform/helpers/IChromeHelper.java
index d617276..1ff75ea 100644
--- a/libraries/app-helpers/interfaces/handheld/src/android/platform/helpers/IChromeHelper.java
+++ b/libraries/app-helpers/interfaces/handheld/src/android/platform/helpers/IChromeHelper.java
@@ -17,6 +17,7 @@
 package android.platform.helpers;
 
 import android.support.test.uiautomator.Direction;
+import android.support.test.uiautomator.UiObject2;
 
 public interface IChromeHelper extends IAppHelper {
     public enum MenuItem {
@@ -253,4 +254,13 @@
     public default void scrollPage(Direction dir, float percent) {
         throw new UnsupportedOperationException("Not yet implemented.");
     }
+
+    /**
+     * Setup expectations: Chrome is open on a page.
+     *
+     * <p>Get the UiObject2 of the page screen.
+     */
+    public default UiObject2 getWebPage() {
+        throw new UnsupportedOperationException("Not yet implemented.");
+    }
 }