Initial implementation of Cronet Async API.

components/cronet/android/cronet_url_request.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 COMPONENTS_CRONET_ANDROID_CRONET_URL_REQUEST_H_
+#define COMPONENTS_CRONET_ANDROID_CRONET_URL_REQUEST_H_
+
+#include <jni.h>
+
+namespace cronet {
+
+// Define request priority values like CRONET_REQUEST_PRIORITY_IDLE in a
+// way that ensures they're always the same than their Java counterpart.
+//
+// A Java counterpart will be generated for this enum.
+// GENERATED_JAVA_ENUM_PACKAGE: org.chromium.net
+// GENERATED_JAVA_CLASS_NAME_OVERRIDE: CronetUrlRequestPriority
+// GENERATED_JAVA_PREFIX_TO_STRIP: CRONET_REQUEST_PRIORITY_
+enum CronetUrlRequestPriority {
+  CRONET_REQUEST_PRIORITY_IDLE = 0,
+  CRONET_REQUEST_PRIORITY_LOWEST = 1,
+  CRONET_REQUEST_PRIORITY_LOW = 2,
+  CRONET_REQUEST_PRIORITY_MEDIUM = 3,
+  CRONET_REQUEST_PRIORITY_HIGHEST = 4,
+};
+
+bool CronetUrlRequestRegisterJni(JNIEnv* env);
+
+}  // namespace cronet
+
+#endif  // COMPONENTS_CRONET_ANDROID_CRONET_URL_REQUEST_H_