Move GET_ACCOUNTS permission check to AccountManagerDelegate

sync/android/java/src/org/chromium/sync/signin/SystemAccountManagerDelegate.java

Index: sync/android/java/src/org/chromium/sync/signin/SystemAccountManagerDelegate.java
diff --git a/sync/android/java/src/org/chromium/sync/signin/SystemAccountManagerDelegate.java b/sync/android/java/src/org/chromium/sync/signin/SystemAccountManagerDelegate.java
index 4948ea1c7b49808348590470120430ea461b40de..206fb85f2172a4e1bfacaa2fc4d9296232dfa132 100644
--- a/sync/android/java/src/org/chromium/sync/signin/SystemAccountManagerDelegate.java
+++ b/sync/android/java/src/org/chromium/sync/signin/SystemAccountManagerDelegate.java
@@ -20,13 +20,18 @@ import android.os.Handler;
 public class SystemAccountManagerDelegate implements AccountManagerDelegate {
 
     private final AccountManager mAccountManager;
+    private final Context mApplicationContext;
 
     public SystemAccountManagerDelegate(Context context) {
+        mApplicationContext = context.getApplicationContext();
         mAccountManager = AccountManager.get(context.getApplicationContext());
     }
 
     @Override
     public Account[] getAccountsByType(String type) {
+        if (!AccountManagerHelper.get(mApplicationContext).hasGetAccountsPermission()) {
+            return new Account[]{};
+        }
         return mAccountManager.getAccountsByType(type);
     }