Output the version of MSVS in chrome://version

chrome/browser/ui/webui/version_ui.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 "chrome/browser/ui/webui/version_ui.h"
 
 #include "base/command_line.h"
 #include "base/strings/string_number_conversions.h"
 #include "build/build_config.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 121 matching lines @@
   html_source->AddLocalizedString(version_ui::kProfilePathName,
                                   IDS_VERSION_UI_PROFILE_PATH);
   html_source->AddString(version_ui::kProfilePath, std::string());
 
   html_source->AddLocalizedString(version_ui::kVariationsName,
                                   IDS_VERSION_UI_VARIATIONS);
 
 #if defined(OS_WIN)
 #if defined(__clang__)
   html_source->AddString("compiler", "clang");
+#elif defined(_MSC_VER) && _MSC_VER == 1900
+  html_source->AddString("compiler", "MSVC 2015");
+#elif defined(_MSC_VER) && _MSC_VER == 1800
+  html_source->AddString("compiler", "MSVC 2013");
+#elif defined(_MSC_VER)
+#error "Unsupported version of MSVC."
 #else
-  html_source->AddString("compiler", "MSVC");
+  html_source->AddString("compiler", "Unknown");
 #endif
-#endif
+#endif  // defined(OS_WIN)
 
   html_source->SetJsonPath("strings.js");
   html_source->AddResourcePath(version_ui::kVersionJS, IDR_VERSION_UI_JS);
   html_source->AddResourcePath(version_ui::kAboutVersionCSS,
                                IDR_VERSION_UI_CSS);
   html_source->SetDefaultResource(IDR_VERSION_UI_HTML);
   return html_source;
 }
 
 }  // namespace
@@ skipping 12 matching lines @@
   // Set up the chrome://theme/ source.
   ThemeSource* theme = new ThemeSource(profile);
   content::URLDataSource::Add(profile, theme);
 #endif
 
   WebUIDataSource::Add(profile, CreateVersionUIDataSource());
 }
 
 VersionUI::~VersionUI() {
 }