Remove factory methods from ChromeApplication.

chrome/android/java/src/org/chromium/chrome/browser/externalauth/ExternalAuthUtils.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.externalauth;
 
 import android.annotation.SuppressLint;
 import android.content.Context;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.PackageManager.NameNotFoundException;
 import android.os.Binder;
 import android.os.StrictMode;
 import android.os.SystemClock;
 import android.text.TextUtils;
 
 import com.google.android.gms.common.ConnectionResult;
 import com.google.android.gms.common.GoogleApiAvailability;
 
-import org.chromium.base.ContextUtils;
 import org.chromium.base.Log;
 import org.chromium.base.ThreadUtils;
 import org.chromium.base.VisibleForTesting;
 import org.chromium.base.metrics.CachedMetrics.SparseHistogramSample;
 import org.chromium.base.metrics.CachedMetrics.TimesHistogramSample;
-import org.chromium.chrome.browser.ChromeApplication;
+import org.chromium.chrome.browser.AppGlobals;
 
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicReference;
 
 /**
  * Utility class for external authentication tools.
  *
  * This class is safe to use on any thread.
  */
 public class ExternalAuthUtils {
     public static final int FLAG_SHOULD_BE_GOOGLE_SIGNED = 1 << 0;
     public static final int FLAG_SHOULD_BE_SYSTEM = 1 << 1;
     private static final String TAG = "ExternalAuthUtils";
 
     // Use an AtomicReference since getInstance() can be called from multiple threads.
     private static AtomicReference<ExternalAuthUtils> sInstance =
             new AtomicReference<ExternalAuthUtils>();
     private final SparseHistogramSample mConnectionResultHistogramSample =
             new SparseHistogramSample("GooglePlayServices.ConnectionResult");
     private final TimesHistogramSample mRegistrationTimeHistogramSample = new TimesHistogramSample(
             "Android.StrictMode.CheckGooglePlayServicesTime", TimeUnit.MILLISECONDS);
 
     /**
      * Returns the singleton instance of ExternalAuthUtils, creating it if needed.
      */
     public static ExternalAuthUtils getInstance() {
         if (sInstance.get() == null) {
-            ChromeApplication application =
-                    (ChromeApplication) ContextUtils.getApplicationContext();
-            sInstance.compareAndSet(null, application.createExternalAuthUtils());
+            sInstance.compareAndSet(null, AppGlobals.get().createExternalAuthUtils());
         }
         return sInstance.get();
     }
 
     /**
      * Gets the calling package names for the current transaction.
      * @param context The context to use for accessing the package manager.
      * @return The calling package names.
      */
     private static String[] getCallingPackages(Context context) {
@@ skipping 238 matching lines @@
     /**
      * Invokes whatever external code is necessary to obtain a textual description of an error
      * code produced by {@link #checkGooglePlayServicesAvailable(Context)}.
      * @param errorCode The code to check
      * @return a textual description of the error code
      */
     protected String describeError(final int errorCode) {
         return GoogleApiAvailability.getInstance().getErrorString(errorCode);
     }
 }