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

net/test/embedded_test_server/android/embedded_test_server_android.cc

 // 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.
 
 #include "net/test/embedded_test_server/android/embedded_test_server_android.h"
 
+#include "base/android/jni_array.h"
 #include "base/android/jni_string.h"
 #include "base/android/scoped_java_ref.h"
 #include "base/bind.h"
 #include "base/files/file_path.h"
 #include "base/test/test_support_android.h"
 #include "base/trace_event/trace_event.h"
 #include "net/test/jni/EmbeddedTestServerImpl_jni.h"
 
 using base::android::JavaParamRef;
 using base::android::JavaRef;
+using base::android::ScopedJavaLocalRef;
 
 namespace net {
 namespace test_server {
 
 EmbeddedTestServerAndroid::EmbeddedTestServerAndroid(
     JNIEnv* env,
     const JavaRef<jobject>& jobj)
     : weak_java_server_(env, jobj), test_server_() {
   Java_EmbeddedTestServerImpl_setNativePtr(env, jobj,
                                            reinterpret_cast<intptr_t>(this));
 }
 
 EmbeddedTestServerAndroid::~EmbeddedTestServerAndroid() {
   JNIEnv* env = base::android::AttachCurrentThread();
   Java_EmbeddedTestServerImpl_clearNativePtr(env, weak_java_server_.get(env));
 }
 
 jboolean EmbeddedTestServerAndroid::Start(JNIEnv* env,
                                           const JavaParamRef<jobject>& jobj) {
   return test_server_.Start();
 }
 
 jboolean EmbeddedTestServerAndroid::ShutdownAndWaitUntilComplete(
     JNIEnv* env,
     const JavaParamRef<jobject>& jobj) {
   return test_server_.ShutdownAndWaitUntilComplete();
 }
 
-base::android::ScopedJavaLocalRef<jstring> EmbeddedTestServerAndroid::GetURL(
+ScopedJavaLocalRef<jstring> EmbeddedTestServerAndroid::GetURL(
     JNIEnv* env,
     const JavaParamRef<jobject>& jobj,
     const JavaParamRef<jstring>& jrelative_url) const {
   const GURL gurl(test_server_.GetURL(
       base::android::ConvertJavaStringToUTF8(env, jrelative_url)));
   return base::android::ConvertUTF8ToJavaString(env, gurl.spec());
 }
 
 void EmbeddedTestServerAndroid::AddDefaultHandlers(
     JNIEnv* env,
     const JavaParamRef<jobject>& jobj,
     const JavaParamRef<jstring>& jdirectory_path) {
   const base::FilePath directory(
       base::android::ConvertJavaStringToUTF8(env, jdirectory_path));
   test_server_.AddDefaultHandlers(directory);
 }
 
+typedef std::unique_ptr<HttpResponse> (*HandleRequestPtr)(
+    const HttpRequest& request);
+
+void EmbeddedTestServerAndroid::RegisterRequestHandler(
+    JNIEnv* env,
+    const JavaParamRef<jobject>& jobj,
+    jlong handler) {
+  HandleRequestPtr handler_ptr = reinterpret_cast<HandleRequestPtr>(handler);
+  test_server_.RegisterRequestHandler(base::Bind(handler_ptr));
+}
+
 void EmbeddedTestServerAndroid::ServeFilesFromDirectory(
     JNIEnv* env,
     const JavaParamRef<jobject>& jobj,
     const JavaParamRef<jstring>& jdirectory_path) {
   const base::FilePath directory(
       base::android::ConvertJavaStringToUTF8(env, jdirectory_path));
   test_server_.ServeFilesFromDirectory(directory);
 }
 
 void EmbeddedTestServerAndroid::Destroy(JNIEnv* env,
@@ skipping 11 matching lines @@
   new EmbeddedTestServerAndroid(env, jobj);
 }
 
 // static
 bool EmbeddedTestServerAndroid::RegisterEmbeddedTestServerAndroid(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 }  // namespace test_server
 }  // namespace net