[DevTools] Remove DevToolsHttpHandler::Stop.

content/shell/browser/shell_browser_main_parts.cc

 // Copyright 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/shell/browser/shell_browser_main_parts.h"
 
 #include "base/base_switches.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
@@ skipping 69 matching lines @@
 }  // namespace
 
 ShellBrowserMainParts::ShellBrowserMainParts(
     const MainFunctionParams& parameters)
     : parameters_(parameters),
       run_message_loop_(true),
       devtools_http_handler_(nullptr) {
 }
 
 ShellBrowserMainParts::~ShellBrowserMainParts() {
-  if (devtools_http_handler_) {
-    // Note that Stop destroys devtools_http_handler_.
-    devtools_http_handler_->Stop();
-  }
+  DCHECK(!devtools_http_handler_);
 }
 
 #if !defined(OS_MACOSX)
 void ShellBrowserMainParts::PreMainMessageLoopStart() {
 #if defined(USE_AURA) && defined(USE_X11)
   ui::TouchFactory::SetTouchDeviceListFromCommandLine();
 #endif
 }
 #endif
 
@@ skipping 36 matching lines @@
             switches::kCrashDumpsDir);
     crash_dump_manager_.reset(new breakpad::CrashDumpManager(crash_dumps_dir));
   }
 #endif
 
   net_log_.reset(new ShellNetLog("content_shell"));
   InitializeBrowserContexts();
   Shell::Initialize();
   net::NetModule::SetResourceProvider(PlatformResourceProvider);
 
-  // CreateHttpHandler retains ownership over DevToolsHttpHandler.
-  devtools_http_handler_ =
-      ShellDevToolsManagerDelegate::CreateHttpHandler(browser_context_.get());
+  devtools_http_handler_.reset(
+      ShellDevToolsManagerDelegate::CreateHttpHandler(browser_context_.get()));
 
   InitializeMessageLoopContext();
 
   if (parameters_.ui_task) {
     parameters_.ui_task->Run();
     delete parameters_.ui_task;
     run_message_loop_ = false;
   }
 }
 
 bool ShellBrowserMainParts::MainMessageLoopRun(int* result_code)  {
   return !run_message_loop_;
 }
 
 void ShellBrowserMainParts::PostMainMessageLoopRun() {
-  if (devtools_http_handler_) {
-    // Note that Stop destroys devtools_http_handler_.
-    devtools_http_handler_->Stop();
-    devtools_http_handler_ = nullptr;
-  }
+  devtools_http_handler_.reset();
   browser_context_.reset();
   off_the_record_browser_context_.reset();
 }
 
 }  // namespace