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 "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"
 #include "content/browser/frame_host/navigator_delegate.h"
 #include "content/browser/service_worker/service_worker_context_wrapper.h"
 #include "content/common/frame_messages.h"
 #include "content/common/resource_request_body_impl.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"
@@ skipping 43 matching lines @@
       net_error_code_(net::OK),
       render_frame_host_(nullptr),
       is_renderer_initiated_(is_renderer_initiated),
       is_same_page_(false),
       is_synchronous_(is_synchronous),
       is_srcdoc_(is_srcdoc),
       was_redirected_(false),
       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),
       request_context_type_(REQUEST_CONTEXT_TYPE_UNSPECIFIED) {
   DCHECK(!navigation_start.is_null());
   GetDelegate()->DidStartNavigation(this);
 
   if (IsInMainFrame()) {
     TRACE_EVENT_ASYNC_BEGIN_WITH_TIMESTAMP1(
         "navigation", "Navigation StartToCommit", this,
@@ skipping 456 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.
 }
 
 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.
   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();
   }
   std::unique_ptr<NavigationThrottle> devtools_throttle =
       RenderFrameDevToolsAgentHost::CreateThrottleForNavigation(this);
   if (devtools_throttle)
     throttles_.push_back(devtools_throttle.release());
 }
 
 }  // namespace content