PPAPI: Introduce PPB_NetworkProxy_Dev

ppapi/cpp/dev/network_proxy_dev.cc

+// Copyright (c) 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.
+
+#include "ppapi/cpp/dev/network_proxy_dev.h"
+
+#include "ppapi/c/dev/ppb_network_proxy_dev.h"
+#include "ppapi/cpp/module_impl.h"
+
+namespace pp {
+
+namespace {
+
+template <> const char* interface_name<PPB_NetworkProxy_Dev_0_1>() {
+  return PPB_NETWORKPROXY_DEV_INTERFACE_0_1;
+}
+
+}  // namespace
+
+// static
+bool NetworkProxy::IsAvailable() {
+  return has_interface<PPB_NetworkProxy_Dev_0_1>();
+}
+
+// static
+int32_t NetworkProxy::GetProxyForURL(
+    const InstanceHandle& instance,
+    const Var& url,
+    const CompletionCallbackWithOutput<Var>& callback) {
+  if (!has_interface<PPB_NetworkProxy_Dev_0_1>())
+    return callback.MayForce(PP_ERROR_NOINTERFACE);
+
+  return get_interface<PPB_NetworkProxy_Dev_0_1>()->GetProxyForURL(
+      instance.pp_instance(), url.pp_var(),
+      callback.output(), callback.pp_completion_callback());
+}
+
+}  // namespace pp