Mandoline DevTools service: remote debugging protocol over HTTP/WebSocket.

components/devtools_service/devtools_agent_host.cc

Index: components/devtools_service/devtools_agent_host.cc
diff --git a/components/devtools_service/devtools_agent_host.cc b/components/devtools_service/devtools_agent_host.cc
new file mode 100644
index 0000000000000000000000000000000000000000..d31811a57c69327be05800e8a9909428a4d60600
--- /dev/null
+++ b/components/devtools_service/devtools_agent_host.cc
@@ -0,0 +1,54 @@
+// 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 "components/devtools_service/devtools_agent_host.h"
+
+#include "base/guid.h"
+#include "base/logging.h"
+
+namespace devtools_service {
+
+DevToolsAgentHost::DevToolsAgentHost(DevToolsAgentPtr agent)
+    : id_(base::GenerateGUID()),
+      agent_(agent.Pass()),
+      binding_(this),
+      delegate_(nullptr) {
+  agent_.set_error_handler(this);
+}
+
+DevToolsAgentHost::~DevToolsAgentHost() {
+  if (delegate_)
+    delegate_->OnAgentHostClosed(this);
+}
+
+void DevToolsAgentHost::SetDelegate(Delegate* delegate) {
+  delegate_ = delegate;
+  if (delegate_) {
+    if (binding_.is_bound())
+      return;
+
+    DevToolsAgentClientPtr client;
+    binding_.Bind(&client);
+    agent_->SetClient(client.Pass(), id_);
+  } else {
+    if (!binding_.is_bound())
+      return;
+
+    binding_.Close();
+  }
+}
+
+void DevToolsAgentHost::SendProtocolMessageToAgent(const std::string& message) {
+  agent_->DispatchProtocolMessage(message);
+}
+
+void DevToolsAgentHost::DispatchProtocolMessage(const mojo::String& message) {
+  delegate_->DispatchProtocolMessage(this, message);
+}
+
+void DevToolsAgentHost::OnConnectionError() {
+  agent_connection_error_handler_.Run();
+}
+
+}  // namespace devtools_service