First experimental implementation of the Clear-Site-Data header

content/browser/frame_host/navigation_handle_impl.cc

 // Copyright 2015 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.
 
 #include "content/browser/frame_host/navigation_handle_impl.h"
 
 #include <utility>
 
+#include "content/browser/browsing_data/clear_site_data_throttle.h"
 #include "content/browser/frame_host/frame_tree_node.h"
 #include "content/browser/frame_host/navigator.h"
 #include "content/browser/frame_host/navigator_delegate.h"
 #include "content/browser/service_worker/service_worker_context_wrapper.h"
 #include "content/browser/service_worker/service_worker_navigation_handle.h"
 #include "content/common/frame_messages.h"
 #include "content/public/browser/content_browser_client.h"
 #include "content/public/common/browser_side_navigation_policy.h"
 #include "content/public/common/content_client.h"
 #include "net/url_request/redirect_info.h"
@@ skipping 278 matching lines @@
   // Update the navigation parameters.
   method_ = method;
   sanitized_referrer_ = sanitized_referrer;
   has_user_gesture_ = has_user_gesture;
   transition_ = transition;
   is_external_protocol_ = is_external_protocol;
 
   state_ = WILL_SEND_REQUEST;
   complete_callback_ = callback;
 
-  // Register the navigation throttles. The ScopedVector returned by
+  // Register the platform's navigation throttles.
+  std::unique_ptr<content::NavigationThrottle> clear_site_data_throttle =
+      content::ClearSiteDataThrottle::CreateThrottleFor(this);
+  throttles_.push_back(std::move(clear_site_data_throttle));

[Mike West, 2016/06/02 07:00:08]

Can you tie the creation of this throttle to the
`experimental-web-platform-features` flag? I don't think we're ready to ship
this yet. :)

[msramek, 2016/06/14 20:12:08]

Done.

+
+  // Register the embedder's navigation throttles. The ScopedVector returned by
   // GetNavigationThrottles is not assigned to throttles_ directly because it
   // would overwrite any throttle previously added with
   // RegisterThrottleForTesting.
   ScopedVector<NavigationThrottle> throttles_to_register =
       GetContentClient()->browser()->CreateThrottlesForNavigation(this);
   if (throttles_to_register.size() > 0) {
     throttles_.insert(throttles_.end(), throttles_to_register.begin(),
                       throttles_to_register.end());
     throttles_to_register.weak_clear();
   }
@@ skipping 187 matching lines @@
   complete_callback_.Reset();
 
   if (!callback.is_null())
     callback.Run(result);
 
   // No code after running the callback, as it might have resulted in our
   // destruction.
 }
 
 }  // namespace content