Add ui devtools server

ui/devtools/devtools_client.cc

Index: ui/devtools/devtools_client.cc
diff --git a/ui/devtools/devtools_client.cc b/ui/devtools/devtools_client.cc
new file mode 100644
index 0000000000000000000000000000000000000000..56af0e4e791092ecb9f5cbd2ce25b3fe13521767
--- /dev/null
+++ b/ui/devtools/devtools_client.cc
@@ -0,0 +1,52 @@
+// Copyright 2016 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 "ui/devtools/devtools_client.h"
+
+#include "ui/devtools/Protocol.h"
+#include "ui/devtools/devtools_server.h"
+
+namespace ui {
+namespace devtools {
+
+UiDevToolsClient::UiDevToolsClient(const String& name, UiDevToolsServer* server)
+    : name_(name),
+      connection_id_(kNotConnected),
+      dispatcher_(this),
+      server_(server) {
+  DCHECK(server_);
+}
+
+UiDevToolsClient::~UiDevToolsClient() {}
+
+void UiDevToolsClient::AddDOMBackend(
+    std::unique_ptr<protocol::DOM::Backend> dom_backend) {
+  dom_backend_ = std::move(dom_backend);
+  protocol::DOM::Dispatcher::wire(&dispatcher_, dom_backend_.get());
+}
+
+void UiDevToolsClient::sendProtocolResponse(int callId, const String& message) {
+  if (connected())
+    server_->SendOverWebSocket(connection_id_, message);
+}
+
+void UiDevToolsClient::sendProtocolNotification(const String& message) {
+  if (connected())
+    server_->SendOverWebSocket(connection_id_, message);
+}
+
+void UiDevToolsClient::flushProtocolNotifications() {
+  NOTIMPLEMENTED();
+}
+
+void UiDevToolsClient::Dispatch(const String& data) {
+  dispatcher_.dispatch(protocol::parseJSON(data));
+}
+
+bool UiDevToolsClient::connected() {
+  return connection_id_ != kNotConnected;
+}
+
+}  // namespace devtools
+}  // namespace ui