Client Hints

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/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/values.h"
 #include "net/base/network_delegate.h"
 
+class ClientHints;
 class CookieSettings;
 class ExtensionInfoMap;
 class PrefService;
 template<class T> class PrefMember;
 
 typedef PrefMember<bool> BooleanPrefMember;
 
 namespace base {
 class Value;
 }
@@ skipping 57 matching lines @@
 
   void set_enable_do_not_track(BooleanPrefMember* enable_do_not_track) {
     enable_do_not_track_ = enable_do_not_track;
   }
 
   void set_force_google_safe_search(
       BooleanPrefMember* force_google_safe_search) {
     force_google_safe_search_ = force_google_safe_search;
   }
 
+  // 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 97 matching lines @@
   // Pointer to IOThread global, should outlive ChromeNetworkDelegate.
   chrome_browser_net::LoadTimeStats* load_time_stats_;
 
   // Total size of all content (excluding headers) that has been received
   // over the network.
   int64 received_content_length_;
 
   // Total original size of all content before it was transferred.
   int64 original_content_length_;
 
+  scoped_ptr<ClientHints> client_hints_;
+
   DISALLOW_COPY_AND_ASSIGN(ChromeNetworkDelegate);
 };
 
 #endif  // CHROME_BROWSER_NET_CHROME_NETWORK_DELEGATE_H_