Revert of [Android:WebAPK] Don't add webapp to homescreen if WebAPK install times out part 2/3

chrome/android/java/src/org/chromium/chrome/browser/webapps/WebApkInstaller.java

 // Copyright 2016 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.webapps;
 
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.net.Uri;
@@ skipping 102 matching lines @@
         }
 
         // Check whether the WebAPK package is already installed. The WebAPK may have been installed
         // by another Chrome version (e.g. Chrome Dev). We have to do this check because the Play
         // install API fails silently if the package is already installed.
         if (isWebApkInstalled(packageName)) {
             notify(WebApkInstallResult.SUCCESS);
             return;
         }
 
-        Callback<Integer> callback = new Callback<Integer>() {
+        Callback<Boolean> callback = new Callback<Boolean>() {
             @Override
-            public void onResult(Integer result) {
-                WebApkInstaller.this.notify(result);
+            public void onResult(Boolean success) {
+                // TODO(pkotwicz): Send WebApkInstallResult.PROBABLE_FAILURE result if
+                // install timed out.
+                WebApkInstaller.this.notify(
+                        success ? WebApkInstallResult.SUCCESS : WebApkInstallResult.FAILURE);
             }
         };
         mGooglePlayWebApkInstallDelegate.installAsync(
                 packageName, version, title, token, url, callback);
     }
 
     private void notify(@WebApkInstallResult.WebApkInstallResultEnum int result) {
         if (mListener != null) {
             ApplicationStatus.unregisterApplicationStateListener(mListener);
             mListener = null;
@@ skipping 33 matching lines @@
      * @param url The start URL of the WebAPK to install.
      */
     @CalledByNative
     private void updateAsyncFromGooglePlay(
             String packageName, int version, String title, String token, String url) {
         if (mGooglePlayWebApkInstallDelegate == null) {
             notify(WebApkInstallResult.FAILURE);
             return;
         }
 
-        Callback<Integer> callback = new Callback<Integer>() {
+        Callback<Boolean> callback = new Callback<Boolean>() {
             @Override
-            public void onResult(Integer result) {
-                WebApkInstaller.this.notify(result);
+            public void onResult(Boolean success) {
+                // TODO(pkotwicz): Send WebApkInstallResult.PROBABLE_FAILURE result if
+                // update timed out.
+                WebApkInstaller.this.notify(
+                        success ? WebApkInstallResult.SUCCESS : WebApkInstallResult.FAILURE);
             }
         };
         mGooglePlayWebApkInstallDelegate.installAsync(
                 packageName, version, title, token, url, callback);
     }
 
     /**
      * Sends intent to Android to show prompt to install or update downloaded WebAPK.
      * @param filePath File to install.
      */
@@ skipping 51 matching lines @@
     }
 
     private boolean isWebApkInstalled(String packageName) {
         PackageManager packageManager = ContextUtils.getApplicationContext().getPackageManager();
         return InstallerDelegate.isInstalled(packageManager, packageName);
     }
 
     private native void nativeOnInstallFinished(
             long nativeWebApkInstaller, @WebApkInstallResult.WebApkInstallResultEnum int result);
 }