Do not sanitize about:blank/#foo & about:blank?foo

url/url_util.h

Index: url/url_util.h
diff --git a/url/url_util.h b/url/url_util.h
index a4b74b13e5db1fe6241b4a70ce747d81fd52e67f..3559169c1d926b50c8f3bdbdd7787082db2b9934 100644
--- a/url/url_util.h
+++ b/url/url_util.h
@@ -10,6 +10,7 @@
 
 #include "base/strings/string16.h"
 #include "base/strings/string_piece.h"
+#include "url/gurl.h"
 #include "url/third_party/mozilla/url_parse.h"
 #include "url/url_canon.h"
 #include "url/url_constants.h"
@@ -152,6 +153,9 @@ URL_EXPORT bool IsReferrerScheme(const char* spec, const Component& scheme);
 URL_EXPORT bool GetStandardSchemeType(const char* spec,
                                       const Component& scheme,
                                       SchemeType* type);
+// Check whether the url is of the form about:blank, about:blank?foo or
+// about:blank/#foo.
+URL_EXPORT bool IsAboutBlankURL(const GURL& url);

[Mike West, 2017/01/20 12:57:57]

Nit: `IsAboutBlank` is shorter, and seems clear enough.

[clamy, 2017/01/20 13:19:28]

Done.

 
 // Hosts  ----------------------------------------------------------------------