Revert of Android: Remove GetApplicationContext part 2

chrome/android/java/src/org/chromium/chrome/browser/childaccounts/ChildAccountService.java

Index: chrome/android/java/src/org/chromium/chrome/browser/childaccounts/ChildAccountService.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/childaccounts/ChildAccountService.java b/chrome/android/java/src/org/chromium/chrome/browser/childaccounts/ChildAccountService.java
index c3c9262e2bfdc2761175f32f520e20d17da84b1a..6fa8aa04defbec0f9afdca6c4b89cfe93bc9110b 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/childaccounts/ChildAccountService.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/childaccounts/ChildAccountService.java
@@ -9,6 +9,7 @@
 import android.content.Context;
 
 import org.chromium.base.Callback;
+import org.chromium.base.ContextUtils;
 import org.chromium.base.ThreadUtils;
 import org.chromium.base.annotations.CalledByNative;
 import org.chromium.components.signin.AccountManagerHelper;
@@ -41,7 +42,7 @@
      */
     public static void checkHasChildAccount(Context context, final Callback<Boolean> callback) {
         ThreadUtils.assertOnUiThread();
-        final AccountManagerHelper helper = AccountManagerHelper.get();
+        final AccountManagerHelper helper = AccountManagerHelper.get(context);
         helper.getGoogleAccounts(new Callback<Account[]>() {
             @Override
             public void onResult(Account[] accounts) {
@@ -89,12 +90,13 @@
         }
 
         Account account = AccountManagerHelper.createAccountFromName(accountName);
-        AccountManagerHelper.get().updateCredentials(account, activity, new Callback<Boolean>() {
-            @Override
-            public void onResult(Boolean result) {
-                nativeOnReauthenticationResult(nativeCallback, result);
-            }
-        });
+        AccountManagerHelper.get(ContextUtils.getApplicationContext())
+                .updateCredentials(account, activity, new Callback<Boolean>() {
+                    @Override
+                    public void onResult(Boolean result) {
+                        nativeOnReauthenticationResult(nativeCallback, result);
+                    }
+                });
     }
 
     private static native boolean nativeIsChildAccount();