Context Menus now uses the JSON Schema Compiler.

chrome/common/extensions/url_pattern_set.cc

Index: chrome/common/extensions/url_pattern_set.cc
diff --git a/chrome/common/extensions/url_pattern_set.cc b/chrome/common/extensions/url_pattern_set.cc
index 11390ac446311420e19000ecd7963feb7e43f1a8..128b902e75b2a6873e80848f1db0d1681d242bed 100644
--- a/chrome/common/extensions/url_pattern_set.cc
+++ b/chrome/common/extensions/url_pattern_set.cc
@@ -175,6 +175,31 @@ scoped_ptr<base::ListValue> URLPatternSet::ToValue() const {
   return value.Pass();
 }
 
+bool URLPatternSet::Populate(const std::vector<std::string>& patterns,
+                             int valid_schemes,
+                             bool allow_file_access,
+                             std::string* error) {
+  ClearPatterns();
+  for (size_t i = 0; i < patterns.size(); ++i) {
+    URLPattern pattern(valid_schemes);
+    if (pattern.Parse(patterns[i]) != URLPattern::PARSE_SUCCESS) {
+      if (error) {
+        *error = ExtensionErrorUtils::FormatErrorMessage(
+            kInvalidURLPatternError, patterns[i]);
+      } else {
+        LOG(ERROR) << "Invalid url pattern: " << patterns[i];
+      }
+      return false;
+    }
+    if (!allow_file_access && pattern.MatchesScheme(chrome::kFileScheme)) {
+      pattern.SetValidSchemes(
+          pattern.valid_schemes() & ~URLPattern::SCHEME_FILE);
+    }
+    AddPattern(pattern);
+  }
+  return true;
+}
+
 bool URLPatternSet::Populate(const base::ListValue& value,
                              int valid_schemes,
                              bool allow_file_access,