WIP: Move 'X-Frame-Options' checking to the browser.

content/browser/loader/navigation_resource_throttle.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/loader/navigation_resource_throttle.h"
 
 #include "base/callback.h"
 #include "content/browser/frame_host/navigation_handle_impl.h"
 #include "content/browser/frame_host/render_frame_host_impl.h"
 #include "content/public/browser/resource_context.h"
@@ skipping 74 matching lines @@
 
   GURL new_validated_url(new_url);
   RenderProcessHost::FromID(render_process_id)
       ->FilterURL(false, &new_validated_url);
   navigation_handle->WillRedirectRequest(
       new_validated_url, new_method_is_post, new_referrer_url,
       new_is_external_protocol, headers,
       base::Bind(&SendCheckResultToIOThread, callback));
 }
 
-void WillProcessResponseOnUIThread(
+void CheckWillProcessResponseOnUIThread(
+    UIChecksPerformedCallback callback,
     int render_process_id,
     int render_frame_host_id,
     scoped_refptr<net::HttpResponseHeaders> headers) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   RenderFrameHostImpl* render_frame_host =
       RenderFrameHostImpl::FromID(render_process_id, render_frame_host_id);
   if (!render_frame_host)
     return;
 
   NavigationHandleImpl* navigation_handle =
       render_frame_host->navigation_handle();
   if (!navigation_handle)
     return;
 
-  navigation_handle->ReadyToCommitNavigation(render_frame_host, headers);
+  navigation_handle->WillProcessResponse(
+      render_frame_host, headers,
+      base::Bind(&SendCheckResultToIOThread, callback));
 }
 
 }  // namespace
 
 NavigationResourceThrottle::NavigationResourceThrottle(net::URLRequest* request)
     : request_(request), weak_ptr_factory_(this) {}
 
 NavigationResourceThrottle::~NavigationResourceThrottle() {}
 
 void NavigationResourceThrottle::WillStartRequest(bool* defer) {
@@ skipping 76 matching lines @@
     return;
 
   // Send a copy of the response headers to the NavigationHandle on the UI
   // thread.
   scoped_refptr<net::HttpResponseHeaders> response_headers;
   if (request_->response_headers()) {
     response_headers = new net::HttpResponseHeaders(
         request_->response_headers()->raw_headers());
   }
 
+  UIChecksPerformedCallback callback =
+      base::Bind(&NavigationResourceThrottle::OnUIChecksPerformed,
+                 weak_ptr_factory_.GetWeakPtr());
+
   BrowserThread::PostTask(
       BrowserThread::UI, FROM_HERE,
-      base::Bind(&WillProcessResponseOnUIThread, render_process_id,
-                 render_frame_id, response_headers));
+      base::Bind(&CheckWillProcessResponseOnUIThread, callback,
+                 render_process_id, render_frame_id, response_headers));

[clamy, 2015/12/21 10:13:29]

You need to set *defer=true somewhere here, otherwise the navigation will
proceed.

 }
 
 const char* NavigationResourceThrottle::GetNameForLogging() const {
   return "NavigationResourceThrottle";
 }
 
 void NavigationResourceThrottle::OnUIChecksPerformed(
     NavigationThrottle::ThrottleCheckResult result) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   if (result == NavigationThrottle::CANCEL_AND_IGNORE) {
     controller()->CancelAndIgnore();
   } else if (result == NavigationThrottle::CANCEL) {
     controller()->Cancel();
   } else {
     controller()->Resume();
   }
 }
 
 }  // namespace content