Use Sync FakeServer in Android tests via custom APK

sync/test/fake_server/android/fake_server_helper_android.h

+// 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.
+
+#ifndef SYNC_TEST_FAKE_SERVER_ANDROID_FAKE_SERVER_HELPER_ANDROID
+#define SYNC_TEST_FAKE_SERVER_ANDROID_FAKE_SERVER_HELPER_ANDROID
+
+#include <jni.h>
+
+#include "base/basictypes.h"
+
+// Helper for utilizing native FakeServer infrastructure in Android tests.
+class FakeServerHelperAndroid {
+ public:
+  // Registers the native methods.
+  static bool Register(JNIEnv* env);
+
+  // Creates a FakeServerHelperAndroid.
+  FakeServerHelperAndroid(JNIEnv* env, jobject obj);
+
+  // Factory method for creating a native FakeServer object. The caller assumes
+  // ownership.
+  jlong CreateFakeServer(JNIEnv* env, jobject obj);
+
+  // Factory method for creating a native NetworkResources object. The caller
+  // assumes ownership.
+  jlong CreateNetworkResources(JNIEnv* env, jobject obj, jlong fake_server);
+
+  // Deletes the given |fake_server| (a FakeServer pointer created via
+  // CreateFakeServer).
+  void DeleteFakeServer(JNIEnv* env, jobject obj, jlong fake_server);
+
+ private:
+  virtual ~FakeServerHelperAndroid();
+};
+
+#endif  // SYNC_TEST_FAKE_SERVER_ANDROID_FAKE_SERVER_HELPER_ANDROID