Upstream oodles of Chrome for Android code into Chromium.

chrome/android/java_staging/src/org/chromium/chrome/browser/omaha/StringSanitizer.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.omaha;
+
+import java.util.Locale;
+import java.util.regex.PatternSyntaxException;
+
+/**
+ * Sanitizes Strings sent to the Omaha server.
+ */
+public class StringSanitizer {
+    static final char[] CHARS_TO_REMOVE = {';', ',', '"', '\'', '\n', '\r', '\t'};
+
+    public static String sanitize(String str) {
+        for (char current : CHARS_TO_REMOVE) {
+            str = str.replace(current, ' ');
+        }
+        try {
+            str = str.replaceAll("  *", " ");
+        } catch (PatternSyntaxException e) {
+            assert false;
+        }
+        str = str.toLowerCase(Locale.US);
+        str = str.trim();
+        return str;
+    }
+}