Reland r59972: Eagerly set the IO loop used for OCSP.

chrome/browser/io_thread.cc

Index: chrome/browser/io_thread.cc
diff --git a/chrome/browser/io_thread.cc b/chrome/browser/io_thread.cc
index f361b77cd788f501c1b885879fbb5ede4dd934c5..ed82c275cd02ff7919db0cf42810b00c332dc861 100644
--- a/chrome/browser/io_thread.cc
+++ b/chrome/browser/io_thread.cc
@@ -24,6 +24,9 @@
 #include "net/base/net_util.h"
 #include "net/http/http_auth_filter.h"
 #include "net/http/http_auth_handler_factory.h"
+#if defined(USE_NSS)
+#include "net/ocsp/nss_ocsp.h"
+#endif  // defined(USE_NSS)
 
 namespace {
 
@@ -157,6 +160,12 @@ void IOThread::ChangedToOnTheRecord() {
 void IOThread::Init() {
   BrowserProcessSubThread::Init();
 
+  DCHECK_EQ(MessageLoop::TYPE_IO, message_loop()->type());
+
+#if defined(USE_NSS)
+  net::SetMessageLoopForOCSP();
+#endif // defined(USE_NSS)
+
   DCHECK(!globals_);
   globals_ = new Globals;