Make ppapi/proxy child-process only

ppapi/proxy/udp_socket_resource_constants.h

+// 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.
+
+#include <stdint.h>
+
+#include "base/macros.h"
+#include "ppapi/proxy/ppapi_proxy_export.h"
+
+namespace ppapi {
+namespace proxy {
+
+class PPAPI_PROXY_EXPORT UDPSocketResourceConstants {
+ public:
+  // The maximum number of bytes that each
+  // PpapiPluginMsg_PPBUDPSocket_PushRecvResult message is allowed to carry.
+  static const int32_t kMaxReadSize;
+  // The maximum number of bytes that each PpapiHostMsg_PPBUDPSocket_SendTo
+  // message is allowed to carry.
+  static const int32_t kMaxWriteSize;
+
+  // The maximum number that we allow for setting
+  // PP_UDPSOCKET_OPTION_SEND_BUFFER_SIZE. This number is only for input
+  // argument sanity check, it doesn't mean the browser guarantees to support
+  // such a buffer size.
+  static const int32_t kMaxSendBufferSize;
+  // The maximum number that we allow for setting
+  // PP_UDPSOCKET_OPTION_RECV_BUFFER_SIZE. This number is only for input
+  // argument sanity check, it doesn't mean the browser guarantees to support
+  // such a buffer size.
+  static const int32_t kMaxReceiveBufferSize;
+
+  // The maximum number of received packets that we allow instances of this
+  // class to buffer.
+  static const size_t kPluginReceiveBufferSlots;
+  // The maximum number of buffers that we allow instances of this class to be
+  // sending before we block the plugin.
+  static const size_t kPluginSendBufferSlots;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(UDPSocketResourceConstants);
+};
+
+}  // namespace proxy
+}  // namespace ppapi