PPB_HostResolver_Private is switched to the new Pepper proxy.

ppapi/proxy/host_resolver_private_resource.cc

Index: ppapi/proxy/host_resolver_private_resource.cc
diff --git a/ppapi/proxy/host_resolver_private_resource.cc b/ppapi/proxy/host_resolver_private_resource.cc
new file mode 100644
index 0000000000000000000000000000000000000000..68cf831eff98cdf344cbc121bf8ef87595e4e717
--- /dev/null
+++ b/ppapi/proxy/host_resolver_private_resource.cc
@@ -0,0 +1,97 @@
+// 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.
+
+#include "ppapi/proxy/host_resolver_private_resource.h"
+
+#include "ppapi/c/pp_errors.h"
+#include "ppapi/proxy/ppapi_messages.h"
+#include "ppapi/shared_impl/var.h"
+
+namespace ppapi {
+namespace proxy {
+
+HostResolverPrivateResource::HostResolverPrivateResource(Connection connection,
+                                                         PP_Instance instance)
+    : PluginResource(connection, instance) {
+  SendCreate(BROWSER, PpapiHostMsg_HostResolverPrivate_Create());
+}
+
+HostResolverPrivateResource::~HostResolverPrivateResource() {
+}
+
+thunk::PPB_HostResolver_Private_API*
+HostResolverPrivateResource::AsPPB_HostResolver_Private_API() {
+  return this;
+}
+
+int32_t HostResolverPrivateResource::Resolve(
+    const char* host,
+    uint16_t port,
+    const PP_HostResolver_Private_Hint* hint,
+    scoped_refptr<TrackedCallback> callback) {
+  if (!host)
+    return PP_ERROR_BADARGUMENT;
+  if (ResolveInProgress())
+    return PP_ERROR_INPROGRESS;
+
+  resolve_callback_ = callback;
+
+  HostPortPair host_port;
+  host_port.host = host;
+  host_port.port = port;
+
+  SendResolve(host_port, hint);
+  return PP_OK_COMPLETIONPENDING;
+}
+
+PP_Var HostResolverPrivateResource::GetCanonicalName() {
+  return StringVar::StringToPPVar(canonical_name_);
+}
+
+uint32_t HostResolverPrivateResource::GetSize() {
+  if (ResolveInProgress())
+    return 0;
+  return static_cast<uint32_t>(net_address_list_.size());
+}
+
+bool HostResolverPrivateResource::GetNetAddress(
+    uint32 index,
+    PP_NetAddress_Private* address) {
+  if (ResolveInProgress() || index >= GetSize())
+    return false;
+  *address = net_address_list_[index];
+  return true;
+}
+
+void HostResolverPrivateResource::OnPluginMsgResolveReply(
+    const ResourceMessageReplyParams& params,
+    const std::string& canonical_name,
+    const std::vector<PP_NetAddress_Private>& net_address_list) {
+  if (params.result() == PP_OK) {
+    canonical_name_ = canonical_name;
+    net_address_list_ = net_address_list;
+  } else {
+    canonical_name_.clear();
+    net_address_list_.clear();
+  }
+  resolve_callback_->Run(params.result());
+}
+
+void HostResolverPrivateResource::SendResolve(
+    const HostPortPair& host_port,
+    const PP_HostResolver_Private_Hint* hint) {
+  PpapiHostMsg_HostResolverPrivate_Resolve msg(host_port, *hint);
+  Call<PpapiPluginMsg_HostResolverPrivate_ResolveReply>(
+      BROWSER,
+      msg,
+      base::Bind(&HostResolverPrivateResource::OnPluginMsgResolveReply,
+                 base::Unretained(this)));
+}
+
+bool HostResolverPrivateResource::ResolveInProgress() const {
+  return TrackedCallback::IsPending(resolve_callback_);
+}
+
+}  // namespace proxy
+}  // namespace ppapi