DevTools: introduce browser domain for basic target discovery.

components/devtools_http_handler/devtools_http_handler.cc

 // Copyright (c) 2012 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 <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
 #include <utility>
 
@@ skipping 259 matching lines @@
         server_wrapper_(server_wrapper),
         connection_id_(connection_id),
         agent_host_(agent_host) {
     DCHECK_CURRENTLY_ON(BrowserThread::UI);
     agent_host_->AttachClient(this);
   }
 
   ~DevToolsAgentHostClientImpl() override {
     DCHECK_CURRENTLY_ON(BrowserThread::UI);
     if (agent_host_.get())
-      agent_host_->DetachClient();
+      agent_host_->DetachClient(this);
   }
 
   void AgentHostClosed(DevToolsAgentHost* agent_host,
                        bool replaced_with_another_client) override {
     DCHECK_CURRENTLY_ON(BrowserThread::UI);
     DCHECK(agent_host == agent_host_.get());
 
     std::string message = base::StringPrintf(
         "{ \"method\": \"Inspector.detached\", "
         "\"params\": { \"reason\": \"%s\"} }",
@@ skipping 639 matching lines @@
         id.c_str(),
         host);
     dictionary->SetString(
         kTargetDevtoolsFrontendUrlField, devtools_frontend_url);
   }
 
   return dictionary;
 }
 
 }  // namespace devtools_http_handler