Set the first party for cookies url in RenderFrame

content/renderer/render_frame_impl.cc

 // Copyright 2013 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/renderer/render_frame_impl.h"
 
 #include <map>
 #include <string>
 
 #include "base/auto_reset.h"
@@ skipping 2335 matching lines @@
 void RenderFrameImpl::willSendRequest(
     blink::WebLocalFrame* frame,
     unsigned identifier,
     blink::WebURLRequest& request,
     const blink::WebURLResponse& redirect_response) {
   DCHECK(!frame_ || frame_ == frame);
   // The request my be empty during tests.
   if (request.url().isEmpty())
     return;
 
+  // Set the first party for cookies url if it has not been set yet (new
+  // requests). For redirects, it is updated by WebURLLoaderImpl.
+  if (request.firstPartyForCookies().isEmpty()) {
+    if (request.targetType() == blink::WebURLRequest::TargetIsMainFrame) {
+      request.setFirstPartyForCookies(request.url());
+    } else {
+      request.setFirstPartyForCookies(
+          frame->top()->document().firstPartyForCookies());
+    }
+  }
+
   WebFrame* top_frame = frame->top();
   if (!top_frame)
     top_frame = frame;
   WebDataSource* provisional_data_source = top_frame->provisionalDataSource();
   WebDataSource* top_data_source = top_frame->dataSource();
   WebDataSource* data_source =
       provisional_data_source ? provisional_data_source : top_data_source;
 
   PageTransition transition_type = PAGE_TRANSITION_LINK;
   DocumentState* document_state = DocumentState::FromDataSource(data_source);
@@ skipping 1177 matching lines @@
 
 RendererCdmManager* RenderFrameImpl::GetCdmManager() {
   if (!cdm_manager_)
     cdm_manager_ = new RendererCdmManager(this);
   return cdm_manager_;
 }
 
 #endif  // defined(OS_ANDROID)
 
 }  // namespace content