Adding WebView select tests to test select element's dropdown menu

android_webview/tools/automated_ui_tests/javatests/src/org/chromium/webview_ui_test/test/util/UseWideViewPortAction.java

Index: android_webview/tools/automated_ui_tests/javatests/src/org/chromium/webview_ui_test/test/util/UseWideViewPortAction.java
diff --git a/android_webview/tools/automated_ui_tests/javatests/src/org/chromium/webview_ui_test/test/util/UseWideViewPortAction.java b/android_webview/tools/automated_ui_tests/javatests/src/org/chromium/webview_ui_test/test/util/UseWideViewPortAction.java
new file mode 100644
index 0000000000000000000000000000000000000000..157562cc9c584c8609dc5f6cb0bf4c39fc5557ec
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+++ b/android_webview/tools/automated_ui_tests/javatests/src/org/chromium/webview_ui_test/test/util/UseWideViewPortAction.java
@@ -0,0 +1,53 @@
+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.chromium.webview_ui_test.test;
+
+import static android.support.test.espresso.matcher.ViewMatchers.isAssignableFrom;
+
+import android.support.test.espresso.UiController;
+import android.support.test.espresso.ViewAction;
+import android.view.View;
+import android.webkit.WebView;
+
+import org.hamcrest.Matcher;
+
+/**
+ * A ViewAction to set WebView's useWideViewPort setting
+ * TODO(aluo): This may belong in WebViewUiTestRule.java
+ */
+public class UseWideViewPortAction implements ViewAction {
+    private boolean mUseWideViewPort;
+
+    public UseWideViewPortAction() {
+        this(true);
+    }
+
+    public UseWideViewPortAction(boolean useWideViewPort) {
+        mUseWideViewPort = useWideViewPort;
+    }
+
+    @Override
+    public Matcher<View> getConstraints() {
+        return isAssignableFrom(WebView.class);
+    }
+
+    @Override
+    public String getDescription() {
+        return "use wide viewport: " + mUseWideViewPort;
+    }
+
+    /**
+     * Performs setUseWideViewPort then waits for completion.
+     *
+     * @param uiController the controller to use to interact with the UI.
+     * @param view         the view to act upon. never null.
+     */
+    @Override
+    public void perform(UiController uiController, View view) {
+        WebView webview = (WebView) view;
+        webview.getSettings().setUseWideViewPort(mUseWideViewPort);
+        uiController.loopMainThreadUntilIdle();
+    }
+}