Make ConnectionSecurityHelper a namespace instead of a class

chrome/android/javatests_shell/src/org/chromium/chrome/browser/TabTest.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;
 
 import android.test.suitebuilder.annotation.SmallTest;
 
 import org.chromium.base.ThreadUtils;
 import org.chromium.base.test.util.Feature;
-import org.chromium.chrome.browser.ssl.ConnectionSecurityHelperSecurityLevel;
+import org.chromium.chrome.browser.ssl.ConnectionSecurityLevel;
 import org.chromium.chrome.browser.tabmodel.TabModel.TabSelectionType;
 import org.chromium.chrome.shell.ChromeShellTestBase;
 import org.chromium.content.browser.test.util.CallbackHelper;
 
 /**
  * Tests for Tab class.
  */
 public class TabTest extends ChromeShellTestBase {
     private Tab mTab;
     private CallbackHelper mOnTitleUpdatedHelper;
@@ skipping 76 matching lines @@
         assertFalse(tab.needsReload());
         assertFalse(tab.isShowingSadTab());
     }
 
     @SmallTest
     @Feature({"Tab"})
     public void testTabSecurityLevel() {
         ThreadUtils.runOnUiThreadBlocking(new Runnable() {
             @Override
             public void run() {
-                assertEquals(ConnectionSecurityHelperSecurityLevel.NONE, mTab.getSecurityLevel());
+                assertEquals(ConnectionSecurityLevel.NONE, mTab.getSecurityLevel());
             }
         });
     }
 }