Merge java_staging/src into java/src.

chrome/android/java/src/org/chromium/chrome/browser/tabmodel/TabWindowManager.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.tabmodel;
 
 import android.app.Activity;
 
 import org.chromium.base.ActivityState;
 import org.chromium.base.ApplicationStatus;
@@ skipping 160 matching lines @@
 
     private static class DefaultTabModelSelectorFactory implements TabModelSelectorFactory {
         @Override
         public TabModelSelector buildSelector(ChromeActivity activity, WindowAndroid windowAndroid,
                 int selectorIndex) {
             assert activity == windowAndroid.getActivity().get();
             return new TabModelSelectorImpl(activity, selectorIndex, windowAndroid);
         }
     }
 }