Do not show any search engine promos if disabled by policy.

chrome/android/javatests/src/org/chromium/chrome/browser/locale/LocaleManagerTest.java

Index: chrome/android/javatests/src/org/chromium/chrome/browser/locale/LocaleManagerTest.java
diff --git a/chrome/android/javatests/src/org/chromium/chrome/browser/locale/LocaleManagerTest.java b/chrome/android/javatests/src/org/chromium/chrome/browser/locale/LocaleManagerTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..35b8457ba90b8c052762822bf76df054a09c1dff
--- /dev/null
+++ b/chrome/android/javatests/src/org/chromium/chrome/browser/locale/LocaleManagerTest.java
@@ -0,0 +1,87 @@
+// 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.locale;
+
+import android.support.test.InstrumentationRegistry;
+import android.support.test.filters.SmallTest;
+
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import org.chromium.base.Callback;
+import org.chromium.base.ThreadUtils;
+import org.chromium.base.library_loader.ProcessInitException;
+import org.chromium.base.test.util.CallbackHelper;
+import org.chromium.base.test.util.CommandLineFlags;
+import org.chromium.chrome.browser.ChromeSwitches;
+import org.chromium.chrome.browser.init.ChromeBrowserInitializer;
+import org.chromium.chrome.browser.searchwidget.SearchActivity;
+import org.chromium.chrome.test.ChromeJUnit4ClassRunner;
+import org.chromium.chrome.test.util.ActivityUtils;
+import org.chromium.policy.test.annotations.Policies;
+
+import java.util.concurrent.TimeoutException;
+
+/**
+ * Integration tests for {@link LocaleManager}.
+ */
+@RunWith(ChromeJUnit4ClassRunner.class)
+@CommandLineFlags.Add({ChromeSwitches.DISABLE_FIRST_RUN_EXPERIENCE})
+public class LocaleManagerTest {
+    @Before
+    public void setUp() {
+        ThreadUtils.runOnUiThreadBlocking(new Runnable() {
+            @Override
+            public void run() {
+                try {
+                    ChromeBrowserInitializer
+                            .getInstance(
+                                    InstrumentationRegistry.getInstrumentation().getTargetContext())
+                            .handleSynchronousStartup();
+                } catch (ProcessInitException e) {
+                    Assert.fail("Failed to load browser");
+                }
+            }
+        });
+    }
+
+    @Policies.Add({ @Policies.Item(key = "DefaultSearchProviderEnabled", string = "false") })
+    @SmallTest
+    @Test
+    public void testShowSearchEnginePromoDseDisabled()
+            throws InterruptedException, TimeoutException {
+        final CallbackHelper getShowTypeCallback = new CallbackHelper();
+        LocaleManager.setInstanceForTest(new LocaleManager() {
+            @Override
+            public int getSearchEnginePromoShowType() {
+                getShowTypeCallback.notifyCalled();
+                return LocaleManager.SEARCH_ENGINE_PROMO_DONT_SHOW;
+            }
+        });
+
+        // Launch any activity as an Activity ref is required to attempt to show the activity.
+        final SearchActivity searchActivity = ActivityUtils.waitForActivity(
+                InstrumentationRegistry.getInstrumentation(), SearchActivity.class);
+
+        final CallbackHelper searchEnginesFinalizedCallback = new CallbackHelper();
+        ThreadUtils.runOnUiThreadBlocking(new Runnable() {
+            @Override
+            public void run() {
+                LocaleManager.getInstance().showSearchEnginePromoIfNeeded(
+                        searchActivity, new Callback<Boolean>() {
+                            @Override
+                            public void onResult(Boolean result) {
+                                Assert.assertTrue(result);
+                                searchEnginesFinalizedCallback.notifyCalled();
+                            }
+                        });
+            }
+        });
+        searchEnginesFinalizedCallback.waitForCallback(0);
+        Assert.assertEquals(0, getShowTypeCallback.getCallCount());
+    }
+}