Instant Apps: refactor logic to encapsulate in the Instant Apps Handler.

chrome/android/java/src/org/chromium/chrome/browser/externalnav/ExternalNavigationDelegateImpl.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.externalnav;
 
 import android.Manifest.permission;
 import android.app.Activity;
 import android.content.Context;
 import android.content.DialogInterface;
@@ skipping 41 matching lines @@
 import org.chromium.ui.base.WindowAndroid.PermissionCallback;
 import org.chromium.webapk.lib.client.WebApkValidator;
 
 import java.util.ArrayList;
 import java.util.List;
 
 /**
  * The main implementation of the {@link ExternalNavigationDelegate}.
  */
 public class ExternalNavigationDelegateImpl implements ExternalNavigationDelegate {
-    // Instant Apps system resolver activity on N-MR1+.
-    @VisibleForTesting
-    static final String EPHEMERAL_INSTALLER_CLASS =
-            "com.google.android.gms.instantapps.routing.EphemeralInstallerActivity";
     private static final String PDF_VIEWER = "com.google.android.apps.docs";
     private static final String PDF_MIME = "application/pdf";
     private static final String PDF_SUFFIX = ".pdf";
     private static final String PDF_EXTENSION = "pdf";
 
     protected final Context mApplicationContext;
     private final Tab mTab;
 
     public ExternalNavigationDelegateImpl(Tab tab) {
         mTab = tab;
@@ skipping 204 matching lines @@
                 continue;
             }
 
             if (!TextUtils.isEmpty(filterPackageName)
                     && (info.activityInfo == null
                                || !info.activityInfo.packageName.equals(filterPackageName))) {
                 continue;
             }
 
             if (info.activityInfo != null) {
-                if (EPHEMERAL_INSTALLER_CLASS.equals(info.activityInfo.name)) {
+                if (InstantAppsHandler.getInstance().isInstantAppResolveInfo(info)) {
                     // Don't consider the Instant Apps resolver a specialized application.
                     continue;
                 }
 
                 result.add(info.activityInfo.packageName);
             } else {
                 result.add("");
             }
         }
         return result;
@@ skipping 303 matching lines @@
      * @param intent The bare intent we were going to send.
      */
     protected void dispatchAuthenticatedIntent(Intent intent) {
         Intent proxyIntent = new Intent(Intent.ACTION_MAIN);
         proxyIntent.setClass(getAvailableContext(), AuthenticatedProxyActivity.class);
         intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
         proxyIntent.putExtra(AuthenticatedProxyActivity.AUTHENTICATED_INTENT_EXTRA, intent);
         getAvailableContext().startActivity(proxyIntent);
     }
 }