[DevTools]: Expose V8 version in /json/version

content/browser/devtools/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 19 matching lines @@
 #include "content/public/common/url_constants.h"
 #include "content/public/common/user_agent.h"
 #include "net/base/escape.h"
 #include "net/base/io_buffer.h"
 #include "net/base/ip_endpoint.h"
 #include "net/base/net_errors.h"
 #include "net/server/http_server.h"
 #include "net/server/http_server_request_info.h"
 #include "net/server/http_server_response_info.h"
 #include "net/socket/server_socket.h"
+#include "v8/include/v8.h"
 
 #if defined(OS_ANDROID)
 #include "base/android/build_info.h"
 #endif
 
 namespace content {
 
 namespace {
 
 const base::FilePath::CharType kDevToolsActivePortFileName[] =
@@ skipping 467 matching lines @@
     return;
   }
 
   if (command == "version") {
     base::DictionaryValue version;
     version.SetString("Protocol-Version",
         DevToolsAgentHost::GetProtocolVersion().c_str());
     version.SetString("WebKit-Version", GetWebKitVersion());
     version.SetString("Browser", product_name_);
     version.SetString("User-Agent", user_agent_);
+    version.SetString("V8-Version", v8::V8::GetVersion());
 #if defined(OS_ANDROID)
     version.SetString("Android-Package",
         base::android::BuildInfo::GetInstance()->package_name());
 #endif
     SendJson(connection_id, net::HTTP_OK, &version, std::string());
     return;
   }
 
   if (command == "list") {
     DevToolsAgentHost::DiscoverAllHosts(
@@ skipping 317 matching lines @@
         id.c_str(),
         host);
     dictionary->SetString(
         kTargetDevtoolsFrontendUrlField, devtools_frontend_url);
   }
 
   return dictionary;
 }
 
 }  // namespace content