[headless] Use version for product name and user agent.

headless/lib/browser/headless_browser_context_options.h

 // Copyright 2016 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 HEADLESS_LIB_BROWSER_HEADLESS_BROWSER_CONTEXT_OPTIONS_H_
 #define HEADLESS_LIB_BROWSER_HEADLESS_BROWSER_CONTEXT_OPTIONS_H_
 
 #include <string>
 
 #include "base/callback.h"
 #include "base/files/file_path.h"
 #include "base/optional.h"
 #include "headless/public/headless_browser.h"
 #include "headless/public/headless_browser_context.h"
 
 namespace headless {
 
 // Represents options which can be customized for a given BrowserContext.
 // Provides a fallback to default browser-side options when an option
 // is not set for a particular BrowserContext.
 class HeadlessBrowserContextOptions {
  public:
   HeadlessBrowserContextOptions(HeadlessBrowserContextOptions&& options);
   ~HeadlessBrowserContextOptions();
 
   HeadlessBrowserContextOptions& operator=(
       HeadlessBrowserContextOptions&& options);
 
+  const std::string& product_name_and_version() const;
   const std::string& user_agent() const;
 
   // See HeadlessBrowser::Options::proxy_server.
   const net::HostPortPair& proxy_server() const;
 
   // See HeadlessBrowser::Options::host_resolver_rules.
   const std::string& host_resolver_rules() const;
 
   const gfx::Size& window_size() const;
 
@@ skipping 14 matching lines @@
   const base::Callback<void(WebPreferences*)>&
   override_web_preferences_callback() const;
 
  private:
   friend class HeadlessBrowserContext::Builder;
 
   explicit HeadlessBrowserContextOptions(HeadlessBrowser::Options*);
 
   HeadlessBrowser::Options* browser_options_;
 
+  base::Optional<std::string> product_name_and_version_;
   base::Optional<std::string> user_agent_;
   base::Optional<net::HostPortPair> proxy_server_;
   base::Optional<std::string> host_resolver_rules_;
   base::Optional<gfx::Size> window_size_;
   base::Optional<base::FilePath> user_data_dir_;
   base::Optional<bool> incognito_mode_;
   base::Optional<base::Callback<void(WebPreferences*)>>
       override_web_preferences_callback_;
 
   ProtocolHandlerMap protocol_handlers_;
 
   DISALLOW_COPY_AND_ASSIGN(HeadlessBrowserContextOptions);
 };
 
 }  // namespace headless
 
 #endif  // HEADLESS_LIB_BROWSER_HEADLESS_BROWSER_CONTEXT_OPTIONS_H_