Add UI hook for distilling web pages for test shell.

components/dom_distiller/android/java/src/org/chromium/components/dom_distiller/core/DomDistillerUrlUtils.java

Index: components/dom_distiller/android/java/src/org/chromium/components/dom_distiller/core/DomDistillerUrlUtils.java
diff --git a/components/dom_distiller/android/java/src/org/chromium/components/dom_distiller/core/DomDistillerUrlUtils.java b/components/dom_distiller/android/java/src/org/chromium/components/dom_distiller/core/DomDistillerUrlUtils.java
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index 0000000000000000000000000000000000000000..598e299de89a19d860c27f6c72cdb2f0b5c9aa39
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+++ b/components/dom_distiller/android/java/src/org/chromium/components/dom_distiller/core/DomDistillerUrlUtils.java
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+// 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.components.dom_distiller.core;
+
+import org.chromium.base.JNINamespace;
+
+/**
+ * Wrapper for the dom_distiller::url_utils.
+ */
+@JNINamespace("dom_distiller::url_utils::android")
+public final class DomDistillerUrlUtils {
+
+    private DomDistillerUrlUtils() {
+    }
+
+    /**
+     * Returns the URL for viewing distilled content for a URL.
+     *
+     * @param scheme The scheme for the DOM Distiller source.
+     * @param url The URL to distill.
+     * @return the URL to load to get the distilled version of a page.
+     */
+    public static String getDistillerViewUrlFromUrl(String scheme, String url) {
+        return nativeGetDistillerViewUrlFromUrl(scheme, url);
+    }
+
+    private static native String nativeGetDistillerViewUrlFromUrl(String scheme, String url);
+}