HostResolver is exposed to plugin.

webkit/plugins/ppapi/ppb_host_resolver_private_impl.h

Index: webkit/plugins/ppapi/ppb_host_resolver_private_impl.h
diff --git a/webkit/plugins/ppapi/ppb_host_resolver_private_impl.h b/webkit/plugins/ppapi/ppb_host_resolver_private_impl.h
new file mode 100644
index 0000000000000000000000000000000000000000..9d42ca039131a9bbf588a3745f71c724210eee8c
--- /dev/null
+++ b/webkit/plugins/ppapi/ppb_host_resolver_private_impl.h
@@ -0,0 +1,29 @@
+// Copyright (c) 2012 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 WEBKIT_PLUGINS_PPAPI_PPB_HOST_RESOLVER_PRIVATE_IMPL_H_
+#define WEBKIT_PLUGINS_PPAPI_PPB_HOST_RESOLVER_PRIVATE_IMPL_H_
+
+#include "base/compiler_specific.h"
+#include "ppapi/shared_impl/private/ppb_host_resolver_shared.h"
+
+namespace webkit {
+namespace ppapi {
+
+class PPB_HostResolver_Private_Impl : public ::ppapi::PPB_HostResolver_Shared {
+ public:
+  explicit PPB_HostResolver_Private_Impl(PP_Instance instance);
+  virtual ~PPB_HostResolver_Private_Impl();
+
+  virtual void SendResolve(const ::ppapi::HostPortPair& host_port,
+                           const PP_HostResolver_Private_Hint* hint) OVERRIDE;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(PPB_HostResolver_Private_Impl);
+};
+
+}  // namespace ppapi
+}  // namespace webkit
+
+#endif  // WEBKIT_PLUGINS_PPAPI_PPB_HOST_RESOLVER_PRIVATE_IMPL_H_