Revert of Refactor connection_security into SecurityStateModel

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

Index: chrome/android/java/src/org/chromium/chrome/browser/ssl/SecurityStateModel.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/ssl/SecurityStateModel.java b/chrome/android/java/src/org/chromium/chrome/browser/ssl/SecurityStateModel.java
deleted file mode 100644
index 41ce8fce547a885a7e862b0ab771925c0bc671e8..0000000000000000000000000000000000000000
--- a/chrome/android/java/src/org/chromium/chrome/browser/ssl/SecurityStateModel.java
+++ /dev/null
@@ -1,49 +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 page security state.
- */
-public class SecurityStateModel {
-    /**
-     * Fetch the security level for a given web contents.
-     *
-     * @param webContents The web contents to get the security level for.
-     * @return The ConnectionSecurityLevel for the specified web contents.
-     *
-     * @see ConnectionSecurityLevel
-     */
-    public static int getSecurityLevelForWebContents(WebContents webContents) {
-        if (webContents == null) return ConnectionSecurityLevel.NONE;
-        return nativeGetSecurityLevelForWebContents(webContents);
-    }
-
-    /**
-     * @param webContents The web contents to query for deprecated SHA-1 presence.
-     * @return Whether the security level of the page was deprecated due to SHA-1.
-     */
-    public static boolean isDeprecatedSHA1Present(WebContents webContents) {
-        if (webContents == null) return false;
-        return nativeIsDeprecatedSHA1Present(webContents);
-    }
-
-    /**
-     * @param webContents The web contents to query for passive mixed content presence.
-     * @return Whether the page contains passive mixed content.
-     */
-    public static boolean isPassiveMixedContentPresent(WebContents webContents) {
-        if (webContents == null) return false;
-        return nativeIsPassiveMixedContentPresent(webContents);
-    }
-
-    private SecurityStateModel() {}
-
-    private static native int nativeGetSecurityLevelForWebContents(WebContents webContents);
-    private static native boolean nativeIsDeprecatedSHA1Present(WebContents webContents);
-    private static native boolean nativeIsPassiveMixedContentPresent(WebContents webContents);
-}