Hide modal permission prompts on Android upon tab navigation/destruction

chrome/android/javatests/src/org/chromium/chrome/browser/permissions/PermissionNavigationTest.java

Index: chrome/android/javatests/src/org/chromium/chrome/browser/permissions/PermissionNavigationTest.java
diff --git a/chrome/android/javatests/src/org/chromium/chrome/browser/permissions/PermissionNavigationTest.java b/chrome/android/javatests/src/org/chromium/chrome/browser/permissions/PermissionNavigationTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..fe0168b218d375b0c36744f4e4f11f5f4ce08712
--- /dev/null
+++ b/chrome/android/javatests/src/org/chromium/chrome/browser/permissions/PermissionNavigationTest.java
@@ -0,0 +1,73 @@
+// Copyright 2017 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.chrome.browser.permissions;
+
+import android.support.test.filters.MediumTest;
+
+import org.junit.Assert;
+
+import org.chromium.base.test.util.CallbackHelper;
+import org.chromium.base.test.util.CommandLineFlags;
+import org.chromium.base.test.util.Feature;
+import org.chromium.base.test.util.RetryOnFailure;
+import org.chromium.chrome.browser.tab.EmptyTabObserver;
+import org.chromium.chrome.browser.tab.Tab;
+import org.chromium.content.browser.test.util.Criteria;
+import org.chromium.content.browser.test.util.CriteriaHelper;
+
+/**
+ * Test suite for interaction between permissions requests and navigation.
+ */
+@RetryOnFailure
+public class PermissionNavigationTest extends PermissionTestCaseBase {
+    private static final String TEST_FILE = "/content/test/data/android/permission_navigation.html";
+
+    public PermissionNavigationTest() {}
+
+    /**
+     * Check that modal permission prompts and queued permission requests are removed upon
+     * navigation.
+     *
+     * @throws Exception
+     */
+    @MediumTest
+    @Feature({"Permissions"})
+    @CommandLineFlags.Add({NO_GESTURE_FEATURE, FORCE_FIELDTRIAL, FORCE_FIELDTRIAL_PARAMS})
+    public void testNavigationDismissesModalPermissionPrompt() throws Exception {
+        setUpUrl(TEST_FILE);
+        runJavaScriptCodeInCurrentTab("requestGeolocationPermission()");
+        DialogShownCriteria criteriaShown = new DialogShownCriteria("Dialog not shown", true);
+        CriteriaHelper.pollUiThread(criteriaShown);
+        Assert.assertEquals(0, PermissionDialogController.getInstance().getQueueLengthForTesting());
+
+        runJavaScriptCodeInCurrentTab("requestNotificationPermission()");
+        CriteriaHelper.pollInstrumentationThread(new Criteria("Request not queued") {
+            @Override
+            public boolean isSatisfied() {
+                return PermissionDialogController.getInstance().getQueueLengthForTesting() == 1;
+            }
+        });
+
+        runJavaScriptCodeInCurrentTab("navigate()");
+
+        Tab tab = getActivity().getActivityTab();
+        final CallbackHelper callbackHelper = new CallbackHelper();
+        EmptyTabObserver navigationWaiter = new EmptyTabObserver() {
+            @Override
+            public void onDidFinishNavigation(Tab tab, String url, boolean isInMainFrame,
+                    boolean isErrorPage, boolean hasCommitted, boolean isSameDocument,
+                    boolean isFragmentNavigation, Integer pageTransition, int errorCode,
+                    int httpStatusCode) {
+                callbackHelper.notifyCalled();
+            }
+        };
+        tab.addObserver(navigationWaiter);
+        callbackHelper.waitForCallback(0);
+        tab.removeObserver(navigationWaiter);
+
+        DialogShownCriteria criteriaNotShown = new DialogShownCriteria("Dialog shown", false);
+        CriteriaHelper.pollUiThread(criteriaNotShown);
+    }
+}