First-Party Cookies: Wire it up as an experimental web platform feature

chrome/browser/net/chrome_network_delegate.h

 // 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.
 
 #ifndef CHROME_BROWSER_NET_CHROME_NETWORK_DELEGATE_H_
 #define CHROME_BROWSER_NET_CHROME_NETWORK_DELEGATE_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 110 matching lines @@
     domain_reliability_monitor_ = monitor;
   }
 
   void set_prerender_tracker(prerender::PrerenderTracker* prerender_tracker) {
     prerender_tracker_ = prerender_tracker;
   }
 
   // Adds the Client Hints header to HTTP requests.
   void SetEnableClientHints();
 
+  // Notes that "experimental web platform features" are enabled, which in turn
+  // can enable web-facing //net experiments.
+  void SetExperimentalWebPlatformFeaturesEnabled();
+
   // Causes |OnCanThrottleRequest| to always return false, for all
   // instances of this object.
   static void NeverThrottleRequests();
 
   // Binds the pref members to |pref_service| and moves them to the IO thread.
   // |enable_referrers| cannot be NULL, the others can.
   // This method should be called on the UI thread.
   static void InitializePrefsOnUIThread(
       BooleanPrefMember* enable_referrers,
       BooleanPrefMember* enable_do_not_track,
@@ skipping 40 matching lines @@
                        const net::CookieList& cookie_list) override;
   bool OnCanSetCookie(const net::URLRequest& request,
                       const std::string& cookie_line,
                       net::CookieOptions* options) override;
   bool OnCanAccessFile(const net::URLRequest& request,
                        const base::FilePath& path) const override;
   bool OnCanThrottleRequest(const net::URLRequest& request) const override;
   bool OnCanEnablePrivacyMode(
       const GURL& url,
       const GURL& first_party_for_cookies) const override;
+  bool OnFirstPartyCookieExperimentEnabled() const override;
   bool OnCancelURLRequestWithPolicyViolatingReferrerHeader(
       const net::URLRequest& request,
       const GURL& target_url,
       const GURL& referrer_url) const override;
 
   void AccumulateContentLength(
       int64 received_payload_byte_count,
       int64 original_payload_byte_count);
 
   scoped_ptr<ChromeExtensionsNetworkDelegate> extensions_delegate_;
@@ skipping 22 matching lines @@
 
   // True if OnCanThrottleRequest should always return false.
   //
   // Note: This needs to be static as the instance of
   // ChromeNetworkDelegate used may change over time, and we need to
   // set this variable once at start-up time.  It is effectively
   // static anyway since it is based on a command-line flag.
   static bool g_never_throttle_requests_;
 
   scoped_ptr<ClientHints> client_hints_;
+  bool experimental_web_platform_features_enabled_;
 
   bool first_request_;
 
   prerender::PrerenderTracker* prerender_tracker_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeNetworkDelegate);
 };
 
 #endif  // CHROME_BROWSER_NET_CHROME_NETWORK_DELEGATE_H_