Make the ShortcutHelper toast instead of send the user home for web app banners

chrome/browser/android/banners/app_banner_infobar_delegate.cc

 // 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.
 
 #include "chrome/browser/android/banners/app_banner_infobar_delegate.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "base/location.h"
 #include "base/strings/string16.h"
@@ skipping 139 matching lines @@
         web_app_data_.start_url.spec(),
         AppBannerSettingsHelper::APP_BANNER_EVENT_DID_ADD_TO_HOMESCREEN,
         AppBannerManager::GetCurrentTime());
 
     ShortcutInfo info;
     info.UpdateFromManifest(web_app_data_);
     base::WorkerPool::PostTask(
         FROM_HERE,
         base::Bind(&ShortcutHelper::AddShortcutInBackgroundWithSkBitmap,
                    info,
-                   *app_icon_.get()),
+                   *app_icon_.get(),
+                   false),
         true);
     return true;
   }
 
   return true;
 }
 
 bool AppBannerInfoBarDelegate::LinkClicked(WindowOpenDisposition disposition) {
   if (native_app_data_.is_null())
     return false;
@@ skipping 62 matching lines @@
       native_app_data_.obj());
   static_cast<AppBannerInfoBar*>(infobar())->OnInstallStateChanged(newState);
 }
 
 
 bool RegisterAppBannerInfoBarDelegate(JNIEnv* env) {
  return RegisterNativesImpl(env);
 }
 
 }  // namespace banners