Introduce PPB_UDPSocket_Dev.

This change exposes the PPB_UDPSocket_Dev interface and makes it to share the same backend as PPB_UDPSocket_Private.

It doesn't include:
- apps permission check;
- UDP socket options that PPB_UDPSocket_Private doesn't support.
These will be implemented in separate CLs.

BUG=247225
TEST=newly added test_udp_socket.{h,cc}.

Review URL: https://chromiumcodereview.appspot.com/16282005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@206183 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/ppapi/proxy/udp_socket_resource.h b/ppapi/proxy/udp_socket_resource.h
new file mode 100644
index 0000000..ac24187
--- /dev/null
+++ b/ppapi/proxy/udp_socket_resource.h
@@ -0,0 +1,50 @@
+// Copyright 2013 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 PPAPI_PROXY_UDP_SOCKET_RESOURCE_H_
+#define PPAPI_PROXY_UDP_SOCKET_RESOURCE_H_
+
+#include "base/basictypes.h"
+#include "base/compiler_specific.h"
+#include "ppapi/proxy/ppapi_proxy_export.h"
+#include "ppapi/proxy/udp_socket_resource_base.h"
+#include "ppapi/thunk/ppb_udp_socket_api.h"
+
+namespace ppapi {
+namespace proxy {
+
+class PPAPI_PROXY_EXPORT UDPSocketResource : public UDPSocketResourceBase,
+                                             public thunk::PPB_UDPSocket_API {
+ public:
+  UDPSocketResource(Connection connection, PP_Instance instance);
+  virtual ~UDPSocketResource();
+
+  // PluginResource implementation.
+  virtual thunk::PPB_UDPSocket_API* AsPPB_UDPSocket_API() OVERRIDE;
+
+  // thunk::PPB_UDPSocket_API implementation.
+  virtual int32_t Bind(PP_Resource addr,
+                       scoped_refptr<TrackedCallback> callback) OVERRIDE;
+  virtual PP_Resource GetBoundAddress() OVERRIDE;
+  virtual int32_t RecvFrom(char* buffer,
+                           int32_t num_bytes,
+                           PP_Resource* addr,
+                           scoped_refptr<TrackedCallback> callback) OVERRIDE;
+  virtual int32_t SendTo(const char* buffer,
+                         int32_t num_bytes,
+                         PP_Resource addr,
+                         scoped_refptr<TrackedCallback> callback) OVERRIDE;
+  virtual void Close() OVERRIDE;
+  virtual int32_t SetOption(PP_UDPSocket_Option_Dev name,
+                            const PP_Var& value,
+                            scoped_refptr<TrackedCallback> callback) OVERRIDE;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(UDPSocketResource);
+};
+
+}  // namespace proxy
+}  // namespace ppapi
+
+#endif  // PPAPI_PROXY_UDP_SOCKET_RESOURCE_H_