Change Interceptors into URLRequestJobFactory::ProtocolHandlers.

content/test/net/url_request_abort_on_end_job.cc

Index: content/test/net/url_request_abort_on_end_job.cc
diff --git a/content/test/net/url_request_abort_on_end_job.cc b/content/test/net/url_request_abort_on_end_job.cc
index 67d10a4a24688eaa065f59e65e611ae4c11d3407..74466d49d09468acdd01c1773471e0059e322e4b 100644
--- a/content/test/net/url_request_abort_on_end_job.cc
+++ b/content/test/net/url_request_abort_on_end_job.cc
@@ -27,7 +27,14 @@ const char URLRequestAbortOnEndJob::k400AbortOnEndUrl[] =
 
 // static
 void URLRequestAbortOnEndJob::AddUrlHandler() {
+  BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
+                          base::Bind(AddUrlHandlerOnIOThread));
+}
+
+// static
+void URLRequestAbortOnEndJob::AddUrlHandlerOnIOThread() {
   net::URLRequestFilter* filter = net::URLRequestFilter::GetInstance();
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   filter->AddUrlHandler(GURL(k400AbortOnEndUrl),
                         &URLRequestAbortOnEndJob::Factory);
 }