Revert of Move SecurityLevel into a class of its own

chrome/android/java/src/org/chromium/chrome/browser/ssl/ConnectionSecurityHelper.java

Index: chrome/android/java/src/org/chromium/chrome/browser/ssl/ConnectionSecurityHelper.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/ssl/ConnectionSecurityHelper.java b/chrome/android/java/src/org/chromium/chrome/browser/ssl/ConnectionSecurityHelper.java
deleted file mode 100644
index 5d9b1b942fdff9259a9e1a0d1620f4f80639cc68..0000000000000000000000000000000000000000
--- a/chrome/android/java/src/org/chromium/chrome/browser/ssl/ConnectionSecurityHelper.java
+++ /dev/null
@@ -1,29 +0,0 @@
-// 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.ssl;
-
-import org.chromium.content_public.browser.WebContents;
-
-/**
- * Provides a way of accessing helpers for connection security levels.
- */
-public class ConnectionSecurityHelper {
-    /**
-     * Fetch the security level for a given web contents.
-     *
-     * @param webContents The web contents to get the security level for.
-     * @return The ConnectionSecurityHelperSecurityLevel for the specified web contents.
-     *
-     * @see ConnectionSecurityHelperSecurityLevel
-     */
-    public static int getSecurityLevelForWebContents(WebContents webContents) {
-        if (webContents == null) return ConnectionSecurityHelperSecurityLevel.NONE;
-        return nativeGetSecurityLevelForWebContents(webContents);
-    }
-
-    private ConnectionSecurityHelper() {}
-
-    private static native int nativeGetSecurityLevelForWebContents(WebContents webContents);
-}