First experimental implementation of the Clear-Site-Data header

content/browser/frame_host/navigation_handle_impl.cc

Index: content/browser/frame_host/navigation_handle_impl.cc
diff --git a/content/browser/frame_host/navigation_handle_impl.cc b/content/browser/frame_host/navigation_handle_impl.cc
index 47dc9a23962c4e42ceaede2f50cd7418f4283fe0..9e29f5c79ab254ad562b234ae91b2bc4a0969ac8 100644
--- a/content/browser/frame_host/navigation_handle_impl.cc
+++ b/content/browser/frame_host/navigation_handle_impl.cc
@@ -7,6 +7,7 @@
 #include <utility>
 
 #include "base/logging.h"
+#include "content/browser/browsing_data/clear_site_data_header_observer.h"
 #include "content/browser/devtools/render_frame_devtools_agent_host.h"
 #include "content/browser/frame_host/frame_tree_node.h"
 #include "content/browser/frame_host/navigator.h"
@@ -70,6 +71,8 @@ NavigationHandleImpl::NavigationHandleImpl(
       state_(INITIAL),
       is_transferring_(false),
       frame_tree_node_(frame_tree_node),
+      clear_site_data_header_observer_(
+          ClearSiteDataHeaderObserver::CreateFor(this)),
       next_index_(0),
       navigation_start_(navigation_start),
       pending_nav_entry_id_(pending_nav_entry_id),
@@ -546,7 +549,7 @@ void NavigationHandleImpl::RunCompleteCallback(
 }
 
 void NavigationHandleImpl::RegisterNavigationThrottles() {
-  // Register the navigation throttles. The ScopedVector returned by
+  // 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.