[DevTools] Allow multiple clients to request remote locations.

chrome/browser/devtools/chrome_devtools_manager_delegate.h

 // Copyright 2014 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.
 
 #ifndef CHROME_BROWSER_DEVTOOLS_CHROME_DEVTOOLS_MANAGER_DELEGATE_H_
 #define CHROME_BROWSER_DEVTOOLS_CHROME_DEVTOOLS_MANAGER_DELEGATE_H_
 
+#include <map>
 #include <memory>
 #include <set>
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "chrome/browser/devtools/device/devtools_device_discovery.h"
 #include "content/public/browser/devtools_agent_host_observer.h"
 #include "content/public/browser/devtools_manager_delegate.h"
+#include "net/base/host_port_pair.h"
 
 class DevToolsNetworkProtocolHandler;
 
 class ChromeDevToolsManagerDelegate :
     public content::DevToolsManagerDelegate,
     public content::DevToolsAgentHostObserver {
  public:
   static char kTypeApp[];
   static char kTypeBackgroundPage[];
   static char kTypeWebView[];
 
   ChromeDevToolsManagerDelegate();
   ~ChromeDevToolsManagerDelegate() override;
 
  private:
+  class HostData;
+  using RemoteLocations = std::set<net::HostPortPair>;
+
   // content::DevToolsManagerDelegate implementation.
   void Inspect(content::DevToolsAgentHost* agent_host) override;
   base::DictionaryValue* HandleCommand(
       content::DevToolsAgentHost* agent_host,
       base::DictionaryValue* command_dict) override;
   std::string GetTargetType(content::RenderFrameHost* host) override;
   std::string GetTargetTitle(content::RenderFrameHost* host) override;
   scoped_refptr<content::DevToolsAgentHost> CreateNewTarget(
       const GURL& url) override;
   std::string GetDiscoveryPageHTML() override;
   std::string GetFrontendResource(const std::string& path) override;
 
   // content::DevToolsAgentHostObserver overrides.
   void DevToolsAgentHostAttached(
       content::DevToolsAgentHost* agent_host) override;
   void DevToolsAgentHostDetached(
       content::DevToolsAgentHost* agent_host) override;
 
+  void UpdateDeviceDiscovery();
   void DevicesAvailable(
       const DevToolsDeviceDiscovery::CompleteDevices& devices);
 
   std::unique_ptr<base::DictionaryValue> SetRemoteLocations(
       content::DevToolsAgentHost* agent_host,
       int command_id,
       base::DictionaryValue* params);
 
   std::unique_ptr<DevToolsNetworkProtocolHandler> network_protocol_handler_;
+  std::map<content::DevToolsAgentHost*, std::unique_ptr<HostData>> host_data_;
+
   std::unique_ptr<AndroidDeviceManager> device_manager_;
   std::unique_ptr<DevToolsDeviceDiscovery> device_discovery_;
   content::DevToolsAgentHost::List remote_agent_hosts_;
-  content::DevToolsAgentHost* remote_locations_requester_;
+  RemoteLocations remote_locations_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeDevToolsManagerDelegate);
 };
 
 #endif  // CHROME_BROWSER_DEVTOOLS_CHROME_DEVTOOLS_MANAGER_DELEGATE_H_