Post a task to the IO thread to add a ResourceContext in ResourceDispatcherHostImpl.

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 <stdint.h>
 
+#include "base/bind.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"
 #include "content/browser/streams/stream_context.h"
 #include "content/browser/webui/url_data_manager_backend.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_thread.h"
 #include "net/base/keygen_handler.h"
 #include "net/ssl/client_cert_store.h"
@@ skipping 11 matching lines @@
 
 // Used by the default implementation of GetMediaDeviceIDSalt, below.
 std::string ReturnEmptySalt() {
   return std::string();
 }
 
 }  // namespace
 
 
 ResourceContext::ResourceContext() {
-  if (ResourceDispatcherHostImpl::Get())
-    ResourceDispatcherHostImpl::Get()->AddResourceContext(this);
+  ResourceDispatcherHostImpl* rdhi = ResourceDispatcherHostImpl::Get();
+  if (rdhi) {
+    BrowserThread::PostTask(
+        BrowserThread::IO, FROM_HERE,
+        base::Bind(&ResourceDispatcherHostImpl::AddResourceContext,
+                   base::Unretained(rdhi), this));
+  }
 }
 
 ResourceContext::~ResourceContext() {
   ResourceDispatcherHostImpl* rdhi = ResourceDispatcherHostImpl::Get();
   if (rdhi) {
     rdhi->CancelRequestsForContext(this);
     rdhi->RemoveResourceContext(this);
   }
 
   // In some tests this object is destructed on UI thread.
@@ skipping 52 matching lines @@
 
   resource_context->SetUserData(
       kStreamContextKeyName,
       new UserDataAdapter<StreamContext>(
           StreamContext::GetFor(browser_context)));
 
   resource_context->DetachUserDataThread();
 }
 
 }  // namespace content