Factor getCertificateChain out of ConnectionPopupInfo

chrome/android/java/src/org/chromium/chrome/browser/pageinfo/CertificateChainHelper.java

+// Copyright 2016 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.pageinfo;
+
+import org.chromium.content_public.browser.WebContents;
+
+/**
+ * Helper class for obtaining site certificate chain from WebContents.
+ */
+public class CertificateChainHelper {
+
+    public static byte[][] getCertificateChain(WebContents webContents) {
+        return nativeGetCertificateChain(webContents);
+    }
+
+    private static native byte[][] nativeGetCertificateChain(WebContents webContents);
+}