ppapi: PPB_VpnProvider: Implement Resource Host

ppapi/shared_impl/vpn_provider_util.cc

 // Copyright 2016 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/shared_impl/vpn_provider_util.h"
 
 namespace ppapi {
 
 VpnProviderSharedBuffer::VpnProviderSharedBuffer(
     uint32_t capacity,
@@ skipping 33 matching lines @@
     NOTREACHED();
     return nullptr;
   }
   return reinterpret_cast<char*>(shm_->memory()) + packet_size_ * id;
 }
 
 base::SharedMemoryHandle VpnProviderSharedBuffer::GetHandle() {
   return shm_->handle();
 }
 
+uint32_t VpnProviderSharedBuffer::GetMaxPacketSize() {
+  return packet_size_;
+}
+
 }  // namespace ppapi