Support chrome-extension:// scheme in URLPattern.

chrome/browser/extensions/extension_tabs_module.cc

Index: chrome/browser/extensions/extension_tabs_module.cc
diff --git a/chrome/browser/extensions/extension_tabs_module.cc b/chrome/browser/extensions/extension_tabs_module.cc
index 71d3b83233ddd2b9e28e3c0de505a5170dbc1290..5f33e3a113317cc1bbe087266bcb6931ce54522a 100644
--- a/chrome/browser/extensions/extension_tabs_module.cc
+++ b/chrome/browser/extensions/extension_tabs_module.cc
@@ -727,6 +727,9 @@ bool QueryTabsFunction::RunImpl() {
     loading = (status == keys::kStatusValueLoading) ? MATCH_TRUE : MATCH_FALSE;
   }
 
+  // It is o.k. to use URLPattern::SCHEME_ALL here because this function does
+  // not grant access to the content of the tabs, only to seeing their URLs and
+  // meta data.
   URLPattern url_pattern(URLPattern::SCHEME_ALL, "<all_urls>");
   if (query->HasKey(keys::kUrlKey)) {
     std::string value;