Modify the base::JSONReader interface to take a set of options rather than a boolean flag.

net/base/transport_security_state.cc

Index: net/base/transport_security_state.cc
diff --git a/net/base/transport_security_state.cc b/net/base/transport_security_state.cc
index 7bc0a31310403fa49f2150e1feff7496ecaa4921..93b025436d01d189c5b08ee318ddcf91ea59a02a 100644
--- a/net/base/transport_security_state.cc
+++ b/net/base/transport_security_state.cc
@@ -917,8 +917,7 @@ bool TransportSecurityState::Deserialise(
     const std::string& input,
     bool* dirty,
     std::map<std::string, DomainState>* out) {
-  scoped_ptr<Value> value(
-      base::JSONReader::Read(input, false /* do not allow trailing commas */));
+  scoped_ptr<Value> value(base::JSONReader::Read(input));
   if (!value.get() || !value->IsType(Value::TYPE_DICTIONARY))
     return false;