Make third-party cookie blocking take precedence over any rules that match all hosts.

chrome/common/content_settings_pattern.cc

Index: chrome/common/content_settings_pattern.cc
diff --git a/chrome/common/content_settings_pattern.cc b/chrome/common/content_settings_pattern.cc
index dbe70af38c7faab5e978e28f1695299e8659b267..f5aa8982e53cba5aef23d8398a40b7061eda054b 100644
--- a/chrome/common/content_settings_pattern.cc
+++ b/chrome/common/content_settings_pattern.cc
@@ -478,6 +478,10 @@ bool ContentSettingsPattern::Matches(
   return true;
 }
 
+bool ContentSettingsPattern::MatchesAllHosts() const {
+  return parts_.has_domain_wildcard && parts_.host.empty();
+}
+
 const std::string ContentSettingsPattern::ToString() const {
   if (IsValid())
     return content_settings::PatternParser::ToString(parts_);