Support "always allow" for runtime script execution

extensions/common/url_pattern_set.cc

Index: extensions/common/url_pattern_set.cc
diff --git a/extensions/common/url_pattern_set.cc b/extensions/common/url_pattern_set.cc
index ee5ea933830f3cc46e9267c1044942f0487901f2..45ac06753474ef9295ce2fb414775863314a592b 100644
--- a/extensions/common/url_pattern_set.cc
+++ b/extensions/common/url_pattern_set.cc
@@ -142,6 +142,14 @@ void URLPatternSet::ClearPatterns() {
   patterns_.clear();
 }
 
+bool URLPatternSet::AddOrigin(int valid_schemes, const GURL& origin) {
+  DCHECK_EQ(origin.GetOrigin(), origin);
+  URLPattern origin_pattern(valid_schemes);

[not at google - send to devlin, 2014/08/12 19:49:27]

add that comment about URL parsing potentially failing if |origin| doesn't match
|valid_schemes|.

[gpdavis, 2014/08/12 21:19:55]

Done.

+  return (origin_pattern.Parse(origin.GetOrigin().spec()) ==
+          URLPattern::PARSE_SUCCESS) &&
+         AddPattern(origin_pattern);
+}
+
 bool URLPatternSet::Contains(const URLPatternSet& other) const {
   for (URLPatternSet::const_iterator it = other.begin();
        it != other.end(); ++it) {