Add cross origin to Blink-driven preconnect

chrome/browser/net/preconnect.cc

Index: chrome/browser/net/preconnect.cc
diff --git a/chrome/browser/net/preconnect.cc b/chrome/browser/net/preconnect.cc
index 01cadcce243593d28125112e78316302de3cdd94..ef88ab26de30e4cb55d07a0bc8c8092e53ae85ed 100644
--- a/chrome/browser/net/preconnect.cc
+++ b/chrome/browser/net/preconnect.cc
@@ -8,6 +8,7 @@
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
 #include "content/public/browser/browser_thread.h"
+#include "net/base/load_flags.h"
 #include "net/http/http_network_session.h"
 #include "net/http/http_request_info.h"
 #include "net/http/http_stream_factory.h"
@@ -33,7 +34,7 @@ void PreconnectOnUIThread(
       BrowserThread::IO,
       FROM_HERE,
       base::Bind(&PreconnectOnIOThread, url, first_party_for_cookies,
-                 motivation, count, make_scoped_refptr(getter)));
+                 motivation, count, make_scoped_refptr(getter), false));
   return;
 }
 
@@ -43,7 +44,8 @@ void PreconnectOnIOThread(
     const GURL& first_party_for_cookies,
     UrlInfo::ResolutionMotivation motivation,
     int count,
-    net::URLRequestContextGetter* getter) {
+    net::URLRequestContextGetter* getter,
+    bool allow_credentials) {
   if (!BrowserThread::CurrentlyOn(BrowserThread::IO)) {
     LOG(DFATAL) << "This must be run only on the IO thread.";
     return;
@@ -71,6 +73,11 @@ void PreconnectOnIOThread(
   if (delegate->CanEnablePrivacyMode(url, first_party_for_cookies))
     request_info.privacy_mode = net::PRIVACY_MODE_ENABLED;
 
+  if (!allow_credentials)
+    request_info.load_flags = net::LOAD_DO_NOT_SEND_COOKIES |
+      net::LOAD_DO_NOT_SAVE_COOKIES |
+      net::LOAD_DO_NOT_SEND_AUTH_DATA;

[Ryan Sleevi, 2015/06/12 21:35:59]

Don't forget to "git cl format" :) This doesn't adhere to the style guide

+
   // It almost doesn't matter whether we use net::LOWEST or net::HIGHEST
   // priority here, as we won't make a request, and will surrender the created
   // socket to the pool as soon as we can.  However, we would like to mark the