Make ppapi/proxy child-process only

ppapi/proxy/tcp_socket_resource_constants.cc

Index: ppapi/proxy/tcp_socket_resource_constants.cc
diff --git a/ppapi/proxy/tcp_socket_resource_constants.cc b/ppapi/proxy/tcp_socket_resource_constants.cc
new file mode 100644
index 0000000000000000000000000000000000000000..49fb59f0030d435a9b44665d4ce1df3462141ae1
--- /dev/null
+++ b/ppapi/proxy/tcp_socket_resource_constants.cc
@@ -0,0 +1,18 @@
+// 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 "ppapi/proxy/tcp_socket_resource_constants.h"
+
+namespace ppapi {
+namespace proxy {
+
+const int32_t TCPSocketResourceConstants::kMaxReadSize = 1024 * 1024;
+const int32_t TCPSocketResourceConstants::kMaxWriteSize = 1024 * 1024;
+const int32_t TCPSocketResourceConstants::kMaxSendBufferSize =
+    1024 * TCPSocketResourceConstants::kMaxWriteSize;
+const int32_t TCPSocketResourceConstants::kMaxReceiveBufferSize =
+    1024 * TCPSocketResourceConstants::kMaxReadSize;
+
+}  // namespace proxy
+}  // namespace ppapi