Update mojo sdk to rev f84766d3b6420b7cf6a113d9d65d73cb5fe18d90

third_party/mojo/src/mojo/public/cpp/bindings/lib/control_message_handler.cc

Index: third_party/mojo/src/mojo/public/cpp/bindings/lib/control_message_handler.cc
diff --git a/third_party/mojo/src/mojo/public/cpp/bindings/lib/control_message_handler.cc b/third_party/mojo/src/mojo/public/cpp/bindings/lib/control_message_handler.cc
new file mode 100644
index 0000000000000000000000000000000000000000..00cd3f5396e29905f2746440e4537af023729c96
--- /dev/null
+++ b/third_party/mojo/src/mojo/public/cpp/bindings/lib/control_message_handler.cc
@@ -0,0 +1,82 @@
+// Copyright 2015 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 "mojo/public/cpp/bindings/lib/control_message_handler.h"
+
+#include "mojo/public/cpp/bindings/lib/message_builder.h"
+#include "mojo/public/cpp/environment/logging.h"
+#include "mojo/public/interfaces/bindings/interface_control_messages.mojom.h"
+
+namespace mojo {
+namespace internal {
+
+// static
+bool ControlMessageHandler::IsControlMessage(const Message* message) {
+  return message->header()->name == kRunMessageId ||
+         message->header()->name == kRunOrClosePipeMessageId;
+}
+
+ControlMessageHandler::ControlMessageHandler(uint32_t interface_version)
+    : interface_version_(interface_version) {
+}
+
+ControlMessageHandler::~ControlMessageHandler() {
+}
+
+bool ControlMessageHandler::Accept(Message* message) {
+  if (message->header()->name == kRunOrClosePipeMessageId)
+    return RunOrClosePipe(message);
+
+  MOJO_NOTREACHED();
+  return false;
+}
+
+bool ControlMessageHandler::AcceptWithResponder(
+    Message* message,
+    MessageReceiverWithStatus* responder) {
+  if (message->header()->name == kRunMessageId)
+    return Run(message, responder);
+
+  MOJO_NOTREACHED();
+  return false;
+}
+
+bool ControlMessageHandler::Run(Message* message,
+                                MessageReceiverWithStatus* responder) {
+  RunResponseMessageParamsPtr response_params_ptr(
+      RunResponseMessageParams::New());
+  response_params_ptr->reserved0 = 16u;
+  response_params_ptr->reserved1 = 0u;
+  response_params_ptr->query_version_result = QueryVersionResult::New();
+  response_params_ptr->query_version_result->version = interface_version_;
+
+  size_t size = GetSerializedSize_(response_params_ptr);
+  ResponseMessageBuilder builder(kRunMessageId, size, message->request_id());
+
+  RunResponseMessageParams_Data* response_params = nullptr;
+  Serialize_(response_params_ptr.Pass(), builder.buffer(), &response_params);
+  Message response_message;
+  response_params->EncodePointersAndHandles(response_message.mutable_handles());
+  builder.Finish(&response_message);
+  bool ok = responder->Accept(&response_message);
+  MOJO_ALLOW_UNUSED_LOCAL(ok);
+  delete responder;
+
+  return true;
+}
+
+bool ControlMessageHandler::RunOrClosePipe(Message* message) {
+  RunOrClosePipeMessageParams_Data* params =
+      reinterpret_cast<RunOrClosePipeMessageParams_Data*>(
+          message->mutable_payload());
+  params->DecodePointersAndHandles(message->mutable_handles());
+
+  RunOrClosePipeMessageParamsPtr params_ptr;
+  Deserialize_(params, &params_ptr);
+
+  return interface_version_ >= params_ptr->require_version->version;
+}
+
+}  // namespace internal
+}  // namespace mojo