[DevTools] Introduce DevToolsSession.

content/browser/devtools/devtools_session.cc

+// 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 "content/browser/devtools/devtools_session.h"
+
+#include "content/browser/devtools/devtools_agent_host_impl.h"
+#include "content/browser/devtools/protocol/protocol.h"
+
+namespace content {
+
+DevToolsSession::DevToolsSession(
+    DevToolsAgentHostImpl* agent_host,
+    int session_id)
+    : agent_host_(agent_host),
+      session_id_(session_id),
+      dispatcher_(new protocol::UberDispatcher(this)) {
+}
+
+DevToolsSession::~DevToolsSession() {}
+
+void DevToolsSession::sendProtocolResponse(
+    int call_id,
+    const std::string& message) {
+  agent_host_->SendMessageToClient(session_id_, message);
+}
+
+void DevToolsSession::sendProtocolNotification(const std::string& message) {
+  agent_host_->SendMessageToClient(session_id_, message);
+}
+
+void DevToolsSession::flushProtocolNotifications() {
+}
+
+}  // namespace content