Implement PPB_HostResolver_Dev: part 2

ppapi/proxy/host_resolver_resource_base.cc

Index: ppapi/proxy/host_resolver_resource_base.cc
diff --git a/ppapi/proxy/host_resolver_resource_base.cc b/ppapi/proxy/host_resolver_resource_base.cc
index c4055a73eef9614faa516798a3174a27722331c7..08877e14a601d80dc997d080312d0ba9acdf905f 100644
--- a/ppapi/proxy/host_resolver_resource_base.cc
+++ b/ppapi/proxy/host_resolver_resource_base.cc
@@ -13,11 +13,35 @@
 namespace ppapi {
 namespace proxy {
 
+namespace {
+
+int32_t ConvertPPError(int32_t pp_error, bool private_api) {
+  // The private API doesn't return network-specific error codes or
+  // PP_ERROR_NOACCESS. In order to preserve the behavior, we convert those to
+  // PP_ERROR_FAILED.
+  // TODO(yzshen): Consider defining ranges for different kinds of PP_Error
+  // codes, so that we can detect network-specific error codes in a better way.
+  if (private_api &&
+      (pp_error <= PP_ERROR_CONNECTION_CLOSED ||
+       pp_error == PP_ERROR_NOACCESS)) {
+    return PP_ERROR_FAILED;
+  }
+
+  return pp_error;
+}
+
+}  // namespace
+
 HostResolverResourceBase::HostResolverResourceBase(Connection connection,
-                                                   PP_Instance instance)
+                                                   PP_Instance instance,
+                                                   bool private_api)
     : PluginResource(connection, instance),
+      private_api_(private_api),
       allow_get_results_(false) {
-  SendCreate(BROWSER, PpapiHostMsg_HostResolverPrivate_Create());
+  if (private_api)
+    SendCreate(BROWSER, PpapiHostMsg_HostResolver_CreatePrivate());
+  else
+    SendCreate(BROWSER, PpapiHostMsg_HostResolver_Create());
 }
 
 HostResolverResourceBase::~HostResolverResourceBase() {
@@ -85,14 +109,14 @@ void HostResolverResourceBase::OnPluginMsgResolveReply(
     canonical_name_.clear();
     net_address_list_.clear();
   }
-  resolve_callback_->Run(params.result());
+  resolve_callback_->Run(ConvertPPError(params.result(), private_api_));
 }
 
 void HostResolverResourceBase::SendResolve(
     const HostPortPair& host_port,
     const PP_HostResolver_Private_Hint* hint) {
-  PpapiHostMsg_HostResolverPrivate_Resolve msg(host_port, *hint);
-  Call<PpapiPluginMsg_HostResolverPrivate_ResolveReply>(
+  PpapiHostMsg_HostResolver_Resolve msg(host_port, *hint);
+  Call<PpapiPluginMsg_HostResolver_ResolveReply>(
       BROWSER,
       msg,
       base::Bind(&HostResolverResourceBase::OnPluginMsgResolveReply,