Create a content::ResourceContext.

content/browser/worker_host/worker_service.cc

 // Copyright (c) 2011 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/worker_host/worker_service.h"
 
 #include <string>
 
 #include "base/command_line.h"
+#include "base/logging.h"
 #include "base/sys_info.h"
 #include "base/threading/thread.h"
 #include "chrome/common/chrome_switches.h"
 #include "content/browser/worker_host/worker_message_filter.h"
 #include "content/browser/worker_host/worker_process_host.h"
 #include "content/common/view_messages.h"
 #include "content/common/worker_messages.h"
 #include "net/base/registry_controlled_domain.h"
 
 const int WorkerService::kMaxWorkerProcessesWhenSharing = 10;
 const int WorkerService::kMaxWorkersWhenSeparate = 64;
 const int WorkerService::kMaxWorkersPerTabWhenSeparate = 16;
 
 WorkerService* WorkerService::GetInstance() {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   return Singleton<WorkerService>::get();
 }
 
 WorkerService::WorkerService() : next_worker_route_id_(0) {
 }
 
 WorkerService::~WorkerService() {
 }
 
 void WorkerService::OnWorkerMessageFilterClosing(WorkerMessageFilter* filter) {
@@ skipping 30 matching lines @@
   // the queued workers, or a renderer has shut down, in which case it doesn't
   // affect anything.  We call this function in both scenarios because then we
   // don't have to keep track which filters are from worker processes.
   TryStartingQueuedWorker();
 }
 
 void WorkerService::CreateWorker(
     const ViewHostMsg_CreateWorker_Params& params,
     int route_id,
     WorkerMessageFilter* filter,
-    net::URLRequestContextGetter* request_context) {
-
+    net::URLRequestContextGetter* request_context_getter,
+    const content::ResourceContext& resource_context) {
+  // TODO(willchan): Eliminate the need for this downcast.
   ChromeURLRequestContext* context = static_cast<ChromeURLRequestContext*>(
-      request_context->GetURLRequestContext());
+      request_context_getter->GetURLRequestContext());
 
   // Generate a unique route id for the browser-worker communication that's
   // unique among all worker processes.  That way when the worker process sends
   // a wrapped IPC message through us, we know which WorkerProcessHost to give
   // it to.
   WorkerProcessHost::WorkerInstance instance(
       params.url,
       params.is_shared,
       context->is_incognito(),
       params.name,
       next_worker_route_id(),
       params.is_shared ? 0 : filter->render_process_id(),
       params.is_shared ? 0 : params.parent_appcache_host_id,
       params.is_shared ? params.script_resource_appcache_id : 0,
-      request_context);
+      request_context_getter,
+      resource_context);
   instance.AddFilter(filter, route_id);
   instance.worker_document_set()->Add(
       filter, params.document_id, filter->render_process_id(),
       params.render_view_route_id);
 
   CreateWorkerFromInstance(instance);
 }
 
 void WorkerService::LookupSharedWorker(
     const ViewHostMsg_CreateWorker_Params& params,
     int route_id,
     WorkerMessageFilter* filter,
     bool incognito,
     bool* exists,
     bool* url_mismatch) {
-
   *exists = true;
   WorkerProcessHost::WorkerInstance* instance = FindSharedWorkerInstance(
       params.url, params.name, incognito);
 
   if (!instance) {
     // If no worker instance currently exists, we need to create a pending
     // instance - this is to make sure that any subsequent lookups passing a
     // mismatched URL get the appropriate url_mismatch error at lookup time.
     // Having named shared workers was a Really Bad Idea due to details like
     // this.
@@ skipping 183 matching lines @@
         iter = queued_workers_.erase(iter);
       } else {
         ++iter;
       }
     }
   }
 
   if (!worker) {
     WorkerMessageFilter* first_filter = instance.filters().begin()->first;
     worker = new WorkerProcessHost(
-        first_filter->resource_dispatcher_host(),
-        instance.request_context());
+        instance.request_context_getter(),
+        &instance.resource_context(),
+        first_filter->resource_dispatcher_host());
     // TODO(atwilson): This won't work if the message is from a worker process.
     // We don't support that yet though (this message is only sent from
     // renderers) but when we do, we'll need to add code to pass in the current
     // worker's document set for nested workers.
     if (!worker->Init(first_filter->render_process_id())) {
       delete worker;
       return false;
     }
   }
 
@@ skipping 220 matching lines @@
 WorkerService::CreatePendingInstance(const GURL& url,
                                      const string16& name,
                                      bool incognito) {
   // Look for an existing pending shared worker.
   WorkerProcessHost::WorkerInstance* instance =
       FindPendingInstance(url, name, incognito);
   if (instance)
     return instance;
 
   // No existing pending worker - create a new one.
-  WorkerProcessHost::WorkerInstance pending(
-      url, true, incognito, name, MSG_ROUTING_NONE, 0, 0, 0, NULL);
+  WorkerProcessHost::WorkerInstance pending(url, true, incognito, name);
   pending_shared_workers_.push_back(pending);
   return &pending_shared_workers_.back();
 }