Android: support http referrers for context menu navigations.

chrome/test/android/javatests/src/org/chromium/chrome/test/util/TestHttpServerClient.java

Index: chrome/test/android/javatests/src/org/chromium/chrome/test/util/TestHttpServerClient.java
diff --git a/chrome/test/android/javatests/src/org/chromium/chrome/test/util/TestHttpServerClient.java b/chrome/test/android/javatests/src/org/chromium/chrome/test/util/TestHttpServerClient.java
index 5f7e70dff626cf1de42ccbc2a6a7b24d06abd33c..e5f5cb375d3e15d428751ad4998191a1db2d9988 100644
--- a/chrome/test/android/javatests/src/org/chromium/chrome/test/util/TestHttpServerClient.java
+++ b/chrome/test/android/javatests/src/org/chromium/chrome/test/util/TestHttpServerClient.java
@@ -34,6 +34,16 @@ public final class TestHttpServerClient {
     }
 
     /**
+     * Construct a URL for loading a test data file with HTTP authentication fields.
+     *
+     * @param path path relative to the document root.
+     * @return an HTTP url.
+     */
+    public static String getUrl(String path, String username, String password) {
+        return "http://" + username + ":" + password + "@localhost:" + SERVER_PORT + "/" + path;
+    }
+
+    /**
      * Establishes a connection with the test server at default URL and verifies that it is running.
      */
     public static void checkServerIsUp() {