[Devtools] Allow User-Agent header override for Websockets

content/browser/devtools/protocol/network_handler.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 CONTENT_BROWSER_DEVTOOLS_PROTOCOL_NETWORK_HANDLER_H_
 #define CONTENT_BROWSER_DEVTOOLS_PROTOCOL_NETWORK_HANDLER_H_
 
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "content/browser/devtools/protocol/devtools_protocol_dispatcher.h"
 #include "net/cookies/canonical_cookie.h"
 
 namespace content {
 
 class RenderFrameHostImpl;
 
 namespace devtools {
 namespace network {
 
 class NetworkHandler {
  public:
   typedef DevToolsProtocolClient::Response Response;
 
   NetworkHandler();
   virtual ~NetworkHandler();
 
   void SetRenderFrameHost(RenderFrameHostImpl* host);
   void SetClient(std::unique_ptr<Client> client);
+  void Detached();
+  std::string GetUserAgentOverride();
 
   Response ClearBrowserCache();
   Response ClearBrowserCookies();
   Response GetCookies(DevToolsCommandId command_id);
   Response DeleteCookie(DevToolsCommandId command_id,
                         const std::string& cookie_name,
                         const std::string& url);
 
   Response CanEmulateNetworkConditions(bool* result);
   Response EmulateNetworkConditions(bool offline,
                                     double latency,
                                     double download_throughput,
                                     double upload_throughput);
   Response GetCertificateDetails(int certificate_id,
                                  scoped_refptr<CertificateDetails>* result);
   Response ShowCertificateViewer(int certificate_id);
 
+  Response SetUserAgentOverride(const std::string& userAgent);
+
  private:
   void SendGetCookiesResponse(
       DevToolsCommandId command_id,
       const net::CookieList& cookie_list);
   void SendDeleteCookieResponse(DevToolsCommandId command_id);
 
   RenderFrameHostImpl* host_;
   std::unique_ptr<Client> client_;
+  std::string user_agent_override_;
   base::WeakPtrFactory<NetworkHandler> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(NetworkHandler);
 };
 
 }  // namespace network
 }  // namespace devtools
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DEVTOOLS_PROTOCOL_NETWORK_HANDLER_H_