Removed partial Client Hints implementation from the Chrome side.

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"
 #include "base/compiler_specific.h"
 #include "base/files/file_path.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/values.h"
 #include "components/data_reduction_proxy/core/browser/data_reduction_proxy_metrics.h"
 #include "net/base/network_delegate_impl.h"
 
 class ChromeExtensionsNetworkDelegate;
-class ClientHints;
 class CookieSettings;
 class PrefService;
 
 template<class T> class PrefMember;
 
 typedef PrefMember<bool> BooleanPrefMember;
 
 namespace base {
 class Value;
 }
@@ skipping 87 matching lines @@
 
   void set_domain_reliability_monitor(
       domain_reliability::DomainReliabilityMonitor* monitor) {
     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();
-
   // 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 81 matching lines @@
   static bool g_allow_file_access_;
 
   // 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 first_request_;
 
   prerender::PrerenderTracker* prerender_tracker_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeNetworkDelegate);
 };
 
 #endif  // CHROME_BROWSER_NET_CHROME_NETWORK_DELEGATE_H_