Implement "appinstalled" event on Android.

chrome/android/javatests/src/org/chromium/chrome/browser/banners/AppBannerManagerTest.java

Index: chrome/android/javatests/src/org/chromium/chrome/browser/banners/AppBannerManagerTest.java
diff --git a/chrome/android/javatests/src/org/chromium/chrome/browser/banners/AppBannerManagerTest.java b/chrome/android/javatests/src/org/chromium/chrome/browser/banners/AppBannerManagerTest.java
index f951ae67ef8e5348aa9b9f95e670360231778659..5455838db9d19922cfcbf90d89e206e8eaaeffe8 100644
--- a/chrome/android/javatests/src/org/chromium/chrome/browser/banners/AppBannerManagerTest.java
+++ b/chrome/android/javatests/src/org/chromium/chrome/browser/banners/AppBannerManagerTest.java
@@ -31,9 +31,11 @@ import org.chromium.chrome.browser.infobar.InfoBar;
 import org.chromium.chrome.browser.infobar.InfoBarContainer;
 import org.chromium.chrome.browser.infobar.InfoBarContainer.InfoBarAnimationListener;
 import org.chromium.chrome.browser.profiles.Profile;
+import org.chromium.chrome.browser.tab.Tab;
 import org.chromium.chrome.browser.webapps.WebappDataStorage;
 import org.chromium.chrome.test.ChromeTabbedActivityTestBase;
 import org.chromium.chrome.test.util.browser.TabLoadObserver;
+import org.chromium.chrome.test.util.browser.TabTitleObserver;
 import org.chromium.chrome.test.util.browser.WebappTestPage;
 import org.chromium.content.browser.test.util.Criteria;
 import org.chromium.content.browser.test.util.CriteriaHelper;
@@ -567,6 +569,16 @@ public class AppBannerManagerTest extends ChromeTabbedActivityTestBase {
 
     @SmallTest
     @Feature({"AppBanners"})
+    public void testAppInstalledEvent() throws Exception {
+        triggerWebAppBanner(mWebAppUrl, WEB_APP_TITLE, true);
+
+        // The appinstalled event should fire (and cause the title to change).
+        Tab tab = getActivity().getActivityTab();
+        new TabTitleObserver(tab, "Got appinstalled").waitForTitleUpdate(3);
+    }
+
+    @SmallTest
+    @Feature({"AppBanners"})
     public void testWebAppSplashscreenIsDownloaded() throws Exception {
         // Sets the overriden factory to observer splash screen update.
         final TestDataStorageFactory dataStorageFactory = new TestDataStorageFactory();