Introduce Queue-Based Notification Snackbars

chrome/android/java/src/org/chromium/chrome/browser/snackbar/LoFiBarPopupController.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.snackbar;
 
 import android.content.Context;
 
 import org.chromium.base.CommandLine;
 import org.chromium.chrome.R;
@@ skipping 77 matching lines @@
      */
     private void showLoFiBar(Tab tab, boolean isPreview) {
         if (mDisabled) return;
         mTab = tab;
         String message = mContext
                 .getString(isPreview ? R.string.data_reduction_lo_fi_preview_snackbar_message
                         : R.string.data_reduction_lo_fi_snackbar_message);
         String buttonText = mContext
                 .getString(isPreview ? R.string.data_reduction_lo_fi_preview_snackbar_action
                         : R.string.data_reduction_lo_fi_snackbar_action);
-        mSnackbarManager.showSnackbar(Snackbar.make(message, this)
+        mSnackbarManager.showSnackbar(Snackbar.make(message, this, Snackbar.TYPE_NOTIFICATION)
                 .setAction(buttonText, tab.getId())
-                .setDuration(DEFAULT_LO_FI_SNACKBAR_SHOW_DURATION_MS)
-                .setForceDisplay());
+                .setDuration(DEFAULT_LO_FI_SNACKBAR_SHOW_DURATION_MS));
         DataReductionProxySettings.getInstance().incrementLoFiSnackbarShown();
         DataReductionProxyUma.dataReductionProxyLoFiUIAction(
                 DataReductionProxyUma.ACTION_LOAD_IMAGES_SNACKBAR_SHOWN);
     }
 
     /**
      * Dismisses the snackbar.
      */
     private void dismissLoFiBar() {
         if (mSnackbarManager.isShowing()) mSnackbarManager.dismissSnackbars(this);
     }
 
     /**
      * Reloads the page showing all images.
      */
     @Override
     public void onAction(Object actionData) {
         mSnackbarManager.dismissSnackbars(this);
         mTab.reloadDisableLoFi();
         DataReductionProxySettings.getInstance().incrementLoFiUserRequestsForImages();
         DataReductionProxyUma.dataReductionProxyLoFiUIAction(
                 DataReductionProxyUma.ACTION_LOAD_IMAGES_SNACKBAR_CLICKED);
     }
 
     @Override
     public void onDismissNoAction(Object actionData) {}
 }