Move DevTools out of ash and turn it to a component.

components/ui_devtools/devtools_server.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 "components/ui_devtools/devtools_server.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/format_macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/stringprintf.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/values.h"
 #include "components/ui_devtools/switches.h"
 #include "net/base/net_errors.h"
 #include "net/log/net_log.h"
 #include "net/server/http_server_request_info.h"
 #include "net/socket/server_socket.h"
 #include "net/socket/tcp_server_socket.h"
 
-namespace ui {
-namespace devtools {
+namespace ui_devtools {
 
 namespace {
 const char kChromeDeveloperToolsPrefix[] =
     "chrome-devtools://devtools/bundled/inspector.html?ws=";
 
 bool IsUiDevToolsEnabled() {
   return base::CommandLine::ForCurrentProcess()->HasSwitch(kEnableUiDevTools);
 }
 
 int GetUiDevToolsPort() {
@@ skipping 139 matching lines @@
   if (it == connections_.end())
     return;
   UiDevToolsClient* client = it->second;
   DCHECK(client);
   main_thread_task_runner_->PostTask(
       FROM_HERE,
       base::Bind(&UiDevToolsClient::Disconnect, base::Unretained(client)));
   connections_.erase(it);
 }
 
-}  // namespace devtools
-}  // namespace ui
+}  // namespace ui_devtools