Refactor the INSTALL_SHORTCUT broadcast code into ChromeShortcutManager

chrome/android/java/src/org/chromium/chrome/browser/ChromeTabbedActivity.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;
 
 import android.annotation.SuppressLint;
 import android.annotation.TargetApi;
 import android.app.Activity;
 import android.app.ActivityManager;
@@ skipping 548 matching lines @@
     public void onNewIntentWithNative(Intent intent) {
         try {
             TraceEvent.begin("ChromeTabbedActivity.onNewIntentWithNative");
 
             super.onNewIntentWithNative(intent);
             if (CommandLine.getInstance().hasSwitch(ContentSwitches.ENABLE_TEST_INTENTS)) {
                 handleDebugIntent(intent);
             }
             if (mVrShellDelegate.isDaydreamVrIntent(intent)) {
                 mVrShellDelegate.enterVRFromIntent(intent);
+            } else if (ShortcutHelper.isShowToastIntent(intent)) {
+                ShortcutHelper.showAddedToHomescreenToastFromIntent(intent);
             }
         } finally {
             TraceEvent.end("ChromeTabbedActivity.onNewIntentWithNative");
         }
     }
 
     @Override
     public ChromeTabCreator getTabCreator(boolean incognito) {
         TabCreator tabCreator = super.getTabCreator(incognito);
         assert tabCreator instanceof ChromeTabCreator;
@@ skipping 1262 matching lines @@
 
         ActivityManager manager = (ActivityManager) getSystemService(Context.ACTIVITY_SERVICE);
         for (AppTask task : manager.getAppTasks()) {
             RecentTaskInfo info = DocumentUtils.getTaskInfoFromTask(task);
             if (info == null) continue;
             if (info.id == sMergedInstanceTaskId) return true;
         }
         return false;
     }
 }