[ServiceWorker] Make Stream support in ServiceWorkerURLRequestJob

content/browser/resource_context_impl.cc

 // Copyright (c) 2012 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/resource_context_impl.h"
 
 #include "base/logging.h"
 #include "content/browser/fileapi/chrome_blob_storage_context.h"
 #include "content/browser/loader/resource_dispatcher_host_impl.h"
 #include "content/browser/loader/resource_request_info_impl.h"
@@ skipping 50 matching lines @@
 void ResourceContext::CreateKeygenHandler(
     uint32 key_size_in_bits,
     const std::string& challenge_string,
     const GURL& url,
     const base::Callback<void(scoped_ptr<net::KeygenHandler>)>& callback) {
   callback.Run(make_scoped_ptr(
       new net::KeygenHandler(key_size_in_bits, challenge_string, url)));
 }
 
 ChromeBlobStorageContext* GetChromeBlobStorageContextForResourceContext(
-    ResourceContext* resource_context) {
+    const ResourceContext* resource_context) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   return UserDataAdapter<ChromeBlobStorageContext>::Get(
       resource_context, kBlobStorageContextKeyName);
 }
 
 StreamContext* GetStreamContextForResourceContext(
-    ResourceContext* resource_context) {
+    const ResourceContext* resource_context) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   return UserDataAdapter<StreamContext>::Get(
       resource_context, kStreamContextKeyName);
 }
 
 URLDataManagerBackend* GetURLDataManagerForResourceContext(
     ResourceContext* context) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   if (!context->GetUserData(kURLDataManagerBackendKeyName)) {
     context->SetUserData(kURLDataManagerBackendKeyName,
@@ skipping 13 matching lines @@
 
   resource_context->SetUserData(
       kStreamContextKeyName,
       new UserDataAdapter<StreamContext>(
           StreamContext::GetFor(browser_context)));
 
   resource_context->DetachUserDataThread();
 }
 
 }  // namespace content