Fix DNS Prefetch in Chrome: new message type not added to filter.

R=thakis@chromium.org
BUG=455342

Review URL: https://codereview.chromium.org/874163005

Cr-Commit-Position: refs/heads/master@{#314972}

chrome/browser/net/predictor_browsertest.cc

@@ -9,6 +9,7 @@
 #include "chrome/browser/ui/browser.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/test/base/in_process_browser_test.h"
+#include "chrome/test/base/ui_test_utils.h"
 #include "content/public/test/test_utils.h"
 #include "net/base/net_errors.h"
 #include "net/dns/host_resolver_proc.h"
@@ -20,6 +21,8 @@ using testing::HasSubstr;
 
 namespace {
 
+const char kChromiumHostname[] = "chromium.org";
+
 // Records a history of all hostnames for which resolving has been requested,
 // and immediately fails the resolution requests themselves.
 class HostResolutionRequestRecorder : public net::HostResolverProc {
@@ -189,5 +192,13 @@ IN_PROC_BROWSER_TEST_F(PredictorBrowserTest, ShutdownStartupCycle) {
   WaitUntilHostHasBeenRequested(target_url_.host());
 }
 
+IN_PROC_BROWSER_TEST_F(PredictorBrowserTest, DnsPrefetch) {
+  ASSERT_TRUE(test_server()->Start());
+  ui_test_utils::NavigateToURL(
+      browser(),
+      GURL(test_server()->GetURL("files/predictor/dns_prefetch.html")));
+  WaitUntilHostHasBeenRequested(kChromiumHostname);
+}
+
 }  // namespace chrome_browser_net
 

chrome/browser/renderer_host/chrome_render_message_filter.cc

@@ -45,6 +45,7 @@ namespace {
 
 const uint32 kFilteredMessageClasses[] = {
   ChromeMsgStart,
+  DnsPrefetchMsgStart,
 };
 
 }  // namespace

chrome/test/data/predictor/dns_prefetch.html

+<link rel="dns-prefetch" href="http://chromium.org/">