Introduce a new ResourceRequesterInfo type for NavigationPreload.

content/browser/loader/resource_requester_info.cc

 // Copyright 2016 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/resource_requester_info.h"
 
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
 #include "content/browser/appcache/chrome_appcache_service.h"
 #include "content/browser/blob_storage/chrome_blob_storage_context.h"
 #include "content/browser/service_worker/service_worker_context_wrapper.h"
 #include "content/public/browser/browser_thread.h"
+#include "content/public/browser/resource_context.h"
+#include "content/public/common/browser_side_navigation_policy.h"
 #include "storage/browser/fileapi/file_system_context.h"
 
 namespace content {
 
+namespace {
+
+void GetContextsCallbackForNavigationPreload(
+    scoped_refptr<ServiceWorkerContextWrapper> service_worker_context,
+    ResourceType resource_type,
+    ResourceContext** resource_context_out,
+    net::URLRequestContext** request_context_out) {
+  *resource_context_out = service_worker_context->resource_context();
+  *request_context_out =
+      service_worker_context->resource_context()->GetRequestContext();
+}
+
+}  // namespace
+
 ResourceRequesterInfo::ResourceRequesterInfo(
     RequesterType type,
     int child_id,
     ChromeAppCacheService* appcache_service,
     ChromeBlobStorageContext* blob_storage_context,
     storage::FileSystemContext* file_system_context,
     ServiceWorkerContextWrapper* service_worker_context,
     const GetContextsCallback& get_contexts_callback)
     : type_(type),
       child_id_(child_id),
@@ skipping 51 matching lines @@
 
 scoped_refptr<ResourceRequesterInfo>
 ResourceRequesterInfo::CreateForDownloadOrPageSave(int child_id) {
   return scoped_refptr<ResourceRequesterInfo>(new ResourceRequesterInfo(
       RequesterType::DOWNLOAD_OR_PAGE_SAVE, child_id,
       nullptr /* appcache_service */, nullptr /* blob_storage_context */,
       nullptr /* file_system_context */, nullptr /*service_worker_context */,
       GetContextsCallback()));
 }
 
+scoped_refptr<ResourceRequesterInfo>
+ResourceRequesterInfo::CreateForNavigationPreload(
+    ResourceRequesterInfo* original_request_info) {
+  GetContextsCallback get_contexts_callback =
+      original_request_info->get_contexts_callback_;
+  if (IsBrowserSideNavigationEnabled()) {
+    DCHECK(original_request_info->IsBrowserSideNavigation());
+    DCHECK(!get_contexts_callback);
+    DCHECK(original_request_info->service_worker_context());
+    // The requester info for browser side navigation doesn't have the
+    // get_contexts_callback. So create the callback here which gets the
+    // ResourceContext and the URLRequestContext form ServiceWorkerContext.
+    get_contexts_callback =
+        base::Bind(&GetContextsCallbackForNavigationPreload,
+                   scoped_refptr<ServiceWorkerContextWrapper>(
+                       original_request_info->service_worker_context()));
+  } else {
+    DCHECK(original_request_info->IsRenderer());
+    DCHECK(get_contexts_callback);
+  }
+
+  return scoped_refptr<ResourceRequesterInfo>(new ResourceRequesterInfo(
+      RequesterType::NAVIGATION_PRELOAD, -1, nullptr /* appcache_service */,
+      nullptr /* blob_storage_context */, nullptr /* file_system_context */,
+      original_request_info->service_worker_context(), get_contexts_callback));
+}
+
 }  // namespace content