text: // 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_PUBLIC_COMMON_USER_AGENT_H_
  #define CONTENT_PUBLIC_COMMON_USER_AGENT_H_
  
  #include <string>
  
  #include "content/common/content_export.h"
  
  namespace content {
  
  // Returns the WebKit version, in the form "major.minor (branch@revision)".
  CONTENT_EXPORT std::string GetWebKitVersion();
  
  // The following 2 functions return the major and minor webkit versions.
  CONTENT_EXPORT int GetWebKitMajorVersion();
  CONTENT_EXPORT int GetWebKitMinorVersion();
  
  CONTENT_EXPORT std::string GetWebKitRevision();
  
  // Builds a User-agent compatible string that describes the OS and CPU type.
  CONTENT_EXPORT std::string BuildOSCpuInfo();
  
  // Helper function to generate a full user agent string from a short
  // product name.
  CONTENT_EXPORT std::string BuildUserAgentFromProduct(
      const std::string& product);
  
  // Builds a full user agent string given a string describing the OS and a
  // product name.
  CONTENT_EXPORT std::string BuildUserAgentFromOSAndProduct(
      const std::string& os_info,
      const std::string& product);
  
  }  // namespace content
  
  #endif  // CONTENT_PUBLIC_COMMON_USER_AGENT_H_
  