Revert "DevTools: introduce DevToolsAgentHost"

content/browser/debugger/devtools_agent_host.cc

Index: content/browser/debugger/devtools_agent_host.cc
diff --git a/content/browser/debugger/devtools_agent_host.cc b/content/browser/debugger/devtools_agent_host.cc
deleted file mode 100644
index 3e897e3881e7c822bddb5318b5db3aced85fc8f2..0000000000000000000000000000000000000000
--- a/content/browser/debugger/devtools_agent_host.cc
+++ /dev/null
@@ -1,18 +0,0 @@
-// Copyright (c) 2011 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/debugger/devtools_agent_host.h"
-
-#include "base/basictypes.h"
-
-DevToolsAgentHost::DevToolsAgentHost() : close_listener_(NULL) {
-}
-
-void DevToolsAgentHost::NotifyCloseListener() {
-  if (close_listener_) {
-    close_listener_->AgentHostClosing(this);
-    close_listener_ = NULL;
-  }
-}
-