Extract TitleUtil from NewTabPageView

chrome/android/java/src/org/chromium/chrome/browser/ntp/TitleUtil.java

Index: chrome/android/java/src/org/chromium/chrome/browser/ntp/TitleUtil.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/ntp/TitleUtil.java b/chrome/android/java/src/org/chromium/chrome/browser/ntp/TitleUtil.java
new file mode 100644
index 0000000000000000000000000000000000000000..df8190beff64b8350e218e00d6e087687f78f6b3
--- /dev/null
+++ b/chrome/android/java/src/org/chromium/chrome/browser/ntp/TitleUtil.java
@@ -0,0 +1,35 @@
+// Copyright 2016 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.ntp;
+
+import android.net.Uri;
+import android.text.TextUtils;
+
+import javax.annotation.Nullable;
+
+/**
+ * Provides functions for working with link titles.
+ */
+public final class TitleUtil {
+    private TitleUtil() {}
+
+    /**
+     * Returns a title suitable for display for a link. If |title| is non-empty, this simply returns
+     * it. Otherwise, returns a shortened form of the URL.
+     */
+    static String getTitleForDisplay(@Nullable String title, @Nullable String url) {
+        if (!TextUtils.isEmpty(title) || TextUtils.isEmpty(url)) {
+            return title;
+        }
+
+        Uri uri = Uri.parse(url);
+        String host = uri.getHost();
+        if (host == null) host = "";
+        String path = uri.getPath();
+        if (path == null || path.equals("/")) path = "";
+        title = host + path;
+        return title;
+    }
+}