Implement $Secure- cookie prefix

chrome/browser/chrome_content_browser_client.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_CHROME_CONTENT_BROWSER_CLIENT_H_
 #define CHROME_BROWSER_CHROME_CONTENT_BROWSER_CLIENT_H_
 
 #include <set>
 #include <string>
 #include <utility>
@@ skipping 235 matching lines @@
   content::TracingDelegate* GetTracingDelegate() override;
   bool IsPluginAllowedToCallRequestOSFileHandle(
       content::BrowserContext* browser_context,
       const GURL& url) override;
   bool IsPluginAllowedToUseDevChannelAPIs(
       content::BrowserContext* browser_context,
       const GURL& url) override;
   void OverridePageVisibilityState(
       content::RenderFrameHost* render_frame_host,
       blink::WebPageVisibilityState* visibility_state) override;
+  // TODO(estark): remove once we decide whether to ship cookie
+  // prefixes. https://crbug.com/541511
+  bool ExperimentalFeaturesEnabled() override;
 
 #if defined(OS_ANDROID)
   void GetAdditionalMappedFilesForChildProcess(
       const base::CommandLine& command_line,
       int child_process_id,
       content::FileDescriptorInfo* mappings,
       std::map<int, base::MemoryMappedFile::Region>* regions) override;
 #elif defined(OS_POSIX) && !defined(OS_MACOSX)
   void GetAdditionalMappedFilesForChildProcess(
       const base::CommandLine& command_line,
@@ skipping 48 matching lines @@
       bool allow);
 
   static void RequestFileSystemPermissionOnUIThread(
       int render_process_id,
       int render_frame_id,
       const GURL& url,
       bool allowed_by_default,
       const base::Callback<void(bool)>& callback);
 #endif
 
+  bool experimental_web_platform_features_enabled_;
+
 #if defined(ENABLE_PLUGINS)
   // Set of origins that can use TCP/UDP private APIs from NaCl.
   std::set<std::string> allowed_socket_origins_;
   // Set of origins that can get a handle for FileIO from NaCl.
   std::set<std::string> allowed_file_handle_origins_;
   // Set of origins that can use "dev chanel" APIs from NaCl, even on stable
   // versions of Chrome.
   std::set<std::string> allowed_dev_channel_origins_;
 #endif
 
   // Vector of additional ChromeContentBrowserClientParts.
   // Parts are deleted in the reverse order they are added.
   std::vector<ChromeContentBrowserClientParts*> extra_parts_;
 
   base::WeakPtrFactory<ChromeContentBrowserClient> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeContentBrowserClient);
 };
 
 #endif  // CHROME_BROWSER_CHROME_CONTENT_BROWSER_CLIENT_H_