Introduce DevToolsExternalAgentProxy interface

content/browser/devtools/devtools_external_agent_proxy_impl.cc

Index: content/browser/devtools/devtools_external_agent_proxy_impl.cc
diff --git a/content/browser/devtools/devtools_external_agent_proxy_impl.cc b/content/browser/devtools/devtools_external_agent_proxy_impl.cc
new file mode 100644
index 0000000000000000000000000000000000000000..0d77b53a33b79bc941d5f4ef555ee1f22a8b17d0
--- /dev/null
+++ b/content/browser/devtools/devtools_external_agent_proxy_impl.cc
@@ -0,0 +1,66 @@
+// 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 "content/browser/devtools/devtools_external_agent_proxy_impl.h"
+
+#include "content/browser/devtools/devtools_agent_host_impl.h"
+#include "content/public/browser/devtools_external_agent_proxy_delegate.h"
+
+namespace content {
+
+class DevToolsExternalAgentProxyImpl::ForwardingAgentHost
+    : public DevToolsAgentHostImpl {
+ public:
+  ForwardingAgentHost(DevToolsExternalAgentProxyDelegate* delegate)
+      : delegate_(delegate) {
+  }
+
+  void ConnectionClosed() {
+    NotifyCloseListener();
+  }
+
+ private:
+  ~ForwardingAgentHost() {
+  }
+
+  // DevToolsAgentHostImpl implementation.
+  virtual void Attach() OVERRIDE {
+    delegate_->Attach();
+  };
+
+  virtual void Detach() OVERRIDE {
+    delegate_->Detach();
+  };
+
+  virtual void DispatchOnInspectorBackend(const std::string& message) OVERRIDE {
+    delegate_->SendMessageToBackend(message);
+  }
+
+  DevToolsExternalAgentProxyDelegate* delegate_;
+};
+
+//static
+DevToolsExternalAgentProxy* DevToolsExternalAgentProxy::Create(
+    DevToolsExternalAgentProxyDelegate* delegate) {
+  return new DevToolsExternalAgentProxyImpl(delegate);
+}
+
+DevToolsExternalAgentProxyImpl::DevToolsExternalAgentProxyImpl(
+    DevToolsExternalAgentProxyDelegate* delegate)
+    : agent_host_(new ForwardingAgentHost(delegate)) {
+}
+
+DevToolsExternalAgentProxyImpl::~DevToolsExternalAgentProxyImpl() {
+}
+
+scoped_refptr<DevToolsAgentHost> DevToolsExternalAgentProxyImpl::
+    GetAgentHost() {
+  return agent_host_;
+}
+
+void DevToolsExternalAgentProxyImpl::ConnectionClosed() {
+  agent_host_->ConnectionClosed();
+}
+
+}  // content