[blimp] Add support for having multiple tabs

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.TargetApi;
 import android.app.Activity;
 import android.app.ActivityManager;
 import android.content.Context;
@@ skipping 495 matching lines @@
                     if (getFullscreenManager() != null
                             && getFullscreenManager().getPersistentFullscreenMode()) {
                         return;
                     }
                     toggleOverview();
                 }
             };
             OnClickListener newTabClickHandler = new OnClickListener() {
                 @Override
                 public void onClick(View v) {
+                    getTabModelSelector().getModel(false).commitAllTabClosures();
                     // This assumes that the keyboard can not be seen at the same time as the
                     // newtab button on the toolbar.
                     getCurrentTabCreator().launchNTP();
                 }
             };
             OnClickListener bookmarkClickHandler = new OnClickListener() {
                 @Override
                 public void onClick(View v) {
                     addOrEditBookmark(getActivityTab());
                 }
@@ skipping 524 matching lines @@
     public void terminateIncognitoSession() {
         getTabModelSelector().getModel(true).closeAllTabs();
     }
 
     @Override
     public boolean onMenuOrKeyboardAction(final int id, boolean fromMenu) {
         final Tab currentTab = getActivityTab();
         if (id == R.id.move_to_other_window_menu_id) {
             if (currentTab != null) moveTabToOtherWindow(currentTab);
         } else if (id == R.id.new_tab_menu_id) {
+            getTabModelSelector().getModel(false).commitAllTabClosures();
             RecordUserAction.record("MobileMenuNewTab");
             RecordUserAction.record("MobileNewTabOpened");
             getTabCreator(false).launchUrl(UrlConstants.NTP_URL, TabLaunchType.FROM_CHROME_UI);
         } else if (id == R.id.new_incognito_tab_menu_id) {
             if (PrefServiceBridge.getInstance().isIncognitoModeEnabled()) {
+                getTabModelSelector().getModel(false).commitAllTabClosures();
                 // This action must be recorded before opening the incognito tab since UMA actions
                 // are dropped when an incognito tab is open.
                 RecordUserAction.record("MobileMenuNewIncognitoTab");
                 RecordUserAction.record("MobileNewTabOpened");
                 getTabCreator(true).launchUrl(UrlConstants.NTP_URL, TabLaunchType.FROM_CHROME_UI);
             }
         } else if (id == R.id.all_bookmarks_menu_id) {
             if (currentTab != null) {
                 getCompositorViewHolder().hideKeyboard(new Runnable() {
                     @Override
@@ skipping 486 matching lines @@
             }
             // 3. Kill the other activity's task to remove it from Android recents.
             otherActivityTask.finishAndRemoveTask();
         }
 
         // 4. Ask TabPersistentStore to merge state.
         RecordUserAction.record("Android.MergeState.Live");
         mTabModelSelectorImpl.mergeState();
     }
 }