[DevTools] Remove DevToolsHttpHandler::Stop.

android_webview/native/aw_dev_tools_server.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 "android_webview/native/aw_dev_tools_server.h"
 
 #include "android_webview/native/aw_contents.h"
 #include "base/bind.h"
 #include "base/files/file_path.h"
 #include "base/json/json_writer.h"
@@ skipping 74 matching lines @@
             true /* use_abstract_namespace */));
   }
 
   DISALLOW_COPY_AND_ASSIGN(UnixDomainServerSocketFactory);
 };
 
 }  // namespace
 
 namespace android_webview {
 
-AwDevToolsServer::AwDevToolsServer()
-    : protocol_handler_(NULL) {
+AwDevToolsServer::AwDevToolsServer() {
 }
 
 AwDevToolsServer::~AwDevToolsServer() {
   Stop();
 }
 
 void AwDevToolsServer::Start() {
   if (protocol_handler_)
     return;
 
   scoped_ptr<content::DevToolsHttpHandler::ServerSocketFactory> factory(
       new UnixDomainServerSocketFactory(
           base::StringPrintf(kSocketNameFormat, getpid())));
-  protocol_handler_ = content::DevToolsHttpHandler::Start(
+  protocol_handler_.reset(content::DevToolsHttpHandler::Start(
       factory.Pass(),
       base::StringPrintf(kFrontEndURL, content::GetWebKitRevision().c_str()),
       new AwDevToolsServerDelegate(),
-      base::FilePath());
+      base::FilePath()));
 }
 
 void AwDevToolsServer::Stop() {
-  if (!protocol_handler_)
-    return;
-  // Note that the call to Stop() below takes care of |protocol_handler_|
-  // deletion.
-  protocol_handler_->Stop();
-  protocol_handler_ = NULL;
+  protocol_handler_.reset();
 }
 
 bool AwDevToolsServer::IsStarted() const {
   return protocol_handler_;
 }
 
 bool RegisterAwDevToolsServer(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
@@ skipping 14 matching lines @@
   AwDevToolsServer* devtools_server =
       reinterpret_cast<AwDevToolsServer*>(server);
   if (enabled) {
     devtools_server->Start();
   } else {
     devtools_server->Stop();
   }
 }
 
 }  // namespace android_webview