Cleanup: Consolidate initialization of Android's SecureRandom class.

remoting/android/java/src/org/chromium/chromoting/SecureRandomInitializer.java

Index: remoting/android/java/src/org/chromium/chromoting/SecureRandomInitializer.java
diff --git a/remoting/android/java/src/org/chromium/chromoting/SecureRandomInitializer.java b/remoting/android/java/src/org/chromium/chromoting/SecureRandomInitializer.java
deleted file mode 100644
index cf731ed31054de66a661a015a008c036a8abe013..0000000000000000000000000000000000000000
--- a/remoting/android/java/src/org/chromium/chromoting/SecureRandomInitializer.java
+++ /dev/null
@@ -1,41 +0,0 @@
-// Copyright 2014 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.chromoting;
-
-import java.io.FileInputStream;
-import java.io.IOException;
-import java.security.SecureRandom;
-
-/**
- * This class contains code to initialize a SecureRandom generator securely on Android platforms
- * <= 4.3. See
- * {@link http://android-developers.blogspot.com/2013/08/some-securerandom-thoughts.html}.
- */
-public class SecureRandomInitializer {
-    private static final int NUM_RANDOM_BYTES = 16;
-
-    /**
-     * Safely initializes the random number generator, by seeding it with data from /dev/urandom.
-     */
-    public static void initialize(SecureRandom generator) throws IOException {
-        FileInputStream fis = null;
-        try {
-            fis = new FileInputStream("/dev/urandom");
-            byte[] bytes = new byte[NUM_RANDOM_BYTES];
-            if (bytes.length != fis.read(bytes)) {
-                throw new IOException("Failed to get enough random data.");
-            }
-            generator.setSeed(bytes);
-        } finally {
-            try {
-                if (fis != null) {
-                    fis.close();
-                }
-            } catch (IOException e) {
-                // Ignore exception closing the device.
-            }
-        }
-    }
-}