Add RoutingIDIssuer to ensure the correctness of ID to be routed.

content/renderer/resource_fetcher_browsertest.cc

Index: content/renderer/resource_fetcher_browsertest.cc
diff --git a/content/renderer/resource_fetcher_browsertest.cc b/content/renderer/resource_fetcher_browsertest.cc
index a5f3800c71099334a9fc81ae1c0367870a9ee5b6..9d6764676b52eee0b5484225d7ce0e8a3632f26c 100644
--- a/content/renderer/resource_fetcher_browsertest.cc
+++ b/content/renderer/resource_fetcher_browsertest.cc
@@ -15,6 +15,7 @@
 #include "content/public/renderer/render_view.h"
 #include "content/public/test/content_browser_test.h"
 #include "content/public/test/content_browser_test_utils.h"
+#include "content/public/test/routing_id_mangling_disabler.h"
 #include "content/public/test/test_utils.h"
 #include "content/shell/browser/shell.h"
 #include "third_party/WebKit/public/platform/WebURLResponse.h"
@@ -284,6 +285,8 @@ class ResourceFetcherTests : public ContentBrowserTest {
     EXPECT_EQ(delegate->response().httpStatusCode(), 200);
     EXPECT_EQ(kHeader, delegate->data());
   }
+
+  content::RoutingIDManglingDisabler routing_id_mangling_disabler_;
 };
 
 #if defined(OS_ANDROID)