Add a button to OIB to launch an instant app if it exists.

chrome/android/java/src/org/chromium/chrome/browser/document/ChromeLauncherActivity.java

 // Copyright 2015 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.document;
 
 import android.annotation.SuppressLint;
 import android.app.Activity;
 import android.app.Notification;
 import android.app.SearchManager;
@@ skipping 185 matching lines @@
 
         // The notification settings cog on the flipped side of Notifications and in the Android
         // Settings "App Notifications" view will open us with a specific category.
         if (intent.hasCategory(Notification.INTENT_CATEGORY_NOTIFICATION_PREFERENCES)) {
             NotificationPlatformBridge.launchNotificationPreferences(this, getIntent());
             finish();
             return;
         }
 
         // Check if we should launch an Instant App to handle the intent.
-        ChromeApplication application = (ChromeApplication) getApplication();
-        if (InstantAppsHandler.getInstance(application).handleIncomingIntent(
+        if (InstantAppsHandler.getInstance().handleIncomingIntent(
                 this, intent, mIsCustomTabIntent)) {

[Maria, 2016/09/26 17:36:25]

does this now fit on the previous line?

[Ted C, 2016/09/26 18:05:04]

Alas no, 103 chars

             finish();
             return;
         }
 
         // Check if we should launch the ChromeTabbedActivity.
         if (!mIsCustomTabIntent && !FeatureUtilities.isDocumentMode(this)) {
             boolean checkedFre = false;
             if (CommandLine.getInstance().hasSwitch(
                         ChromeSwitches.ENABLE_LIGHTWEIGHT_FIRST_RUN_EXPERIENCE)) {
                 // Launch the First Run Experience for VIEW Intents with URLs before launching
@@ skipping 365 matching lines @@
         IntentHandler.ExternalAppId source =
                 IntentHandler.determineExternalIntentSource(getPackageName(), intent);
         if (intent.getPackage() == null && source != IntentHandler.ExternalAppId.CHROME) {
             int flagsOfInterest = Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_NEW_DOCUMENT;
             int maskedFlags = intent.getFlags() & flagsOfInterest;
             sIntentFlagsHistogram.record(maskedFlags);
         }
         MediaNotificationUma.recordClickSource(intent);
     }
 }