Reduce the perf overhead of our dangling markup experiments.

url/third_party/mozilla/url_parse.cc

Index: url/third_party/mozilla/url_parse.cc
diff --git a/url/third_party/mozilla/url_parse.cc b/url/third_party/mozilla/url_parse.cc
index 60aeb059d7199bfa08e987d330a15f81df475346..41768601244970b1b8c3e789ae600fa71dc13136 100644
--- a/url/third_party/mozilla/url_parse.cc
+++ b/url/third_party/mozilla/url_parse.cc
@@ -690,8 +690,7 @@ bool DoExtractQueryKeyValue(const CHAR* spec,
 
 }  // namespace
 
-Parsed::Parsed() : inner_parsed_(NULL) {
-}
+Parsed::Parsed() : whitespace_removed(false), inner_parsed_(NULL) {}
 
 Parsed::Parsed(const Parsed& other) :
     scheme(other.scheme),