[Android Webview] Refactor LoadUrlTest and work on embedded_test_server custom handler

android_webview/test/embedded_test_server/java/src/org/chromium/android_webview/test/AwEmbeddedTestServer.java

Index: android_webview/test/embedded_test_server/java/src/org/chromium/android_webview/test/AwEmbeddedTestServer.java
diff --git a/android_webview/test/embedded_test_server/java/src/org/chromium/android_webview/test/AwEmbeddedTestServer.java b/android_webview/test/embedded_test_server/java/src/org/chromium/android_webview/test/AwEmbeddedTestServer.java
new file mode 100644
index 0000000000000000000000000000000000000000..0cb2dbbbe12d5af87f856a01bce5550ad6b1f3f9
--- /dev/null
+++ b/android_webview/test/embedded_test_server/java/src/org/chromium/android_webview/test/AwEmbeddedTestServer.java
@@ -0,0 +1,49 @@
+// Copyright 2017 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.android_webview.test;
+
+import android.content.Context;
+import android.content.Intent;
+
+import org.chromium.net.test.EmbeddedTestServer;
+
+/** A simple file server for java android webview tests which extends
+ *  from class EmbeddedTestServer. It is able to add custom handlers
+ *  which registers with net::test_server::EmbeddedTestServer native code.
+ *
+ * An example use:
+ *   AwEmbeddedTestServer s = AwEmbeddedTestServer.createAndStartServer(context);
+ *
+ *   // serve requests...
+ *   s.getURL("/foo/bar.txt");
+ *
+ *   s.stopAndDestroyServer();
+ *
+ * Note that this runs net::test_server::EmbeddedTestServer in a service in a separate APK.
+ */
+public class AwEmbeddedTestServer extends EmbeddedTestServer {
+    /** Set intent package and class name that will pass to the service.
+     *
+     *  @param intent The intent to use to pass into the service.
+     */
+    @Override
+    protected void setIntentClassName(Intent intent) {
+        intent.setClassName("org.chromium.android_webview.test.support",
+                "org.chromium.android_webview.test.AwEmbeddedTestServerService");
+    }
+
+    /** Create and initialize a server with the default and custom handlers.
+     *
+     *  This handles native object initialization, server configuration, and server initialization.
+     *  On returning, the server is ready for use.
+     *
+     *  @param context The context in which the server will run.
+     *  @return The created server.
+     */
+    public static AwEmbeddedTestServer createAndStartServer(Context context)
+            throws InterruptedException {
+        return initializeAndStartServer(new AwEmbeddedTestServer(), context);
+    }
+}