Update from https://crrev.com/307330

url/gurl.cc

Index: url/gurl.cc
diff --git a/url/gurl.cc b/url/gurl.cc
index b5801254069eb3e50d749c94fe9a082fd9a701af..46ca408da9c9c55f1e919365dab03db5038aedff 100644
--- a/url/gurl.cc
+++ b/url/gurl.cc
@@ -177,6 +177,22 @@ const std::string& GURL::spec() const {
   return EmptyStringForGURL();
 }
 
+bool GURL::operator==(const GURL& other) const {
+  return spec_ == other.spec_;
+}
+
+bool GURL::operator!=(const GURL& other) const {
+  return spec_ != other.spec_;
+}
+
+bool GURL::operator<(const GURL& other) const {
+  return spec_ < other.spec_;
+}
+
+bool GURL::operator>(const GURL& other) const {
+  return spec_ > other.spec_;
+}
+
 GURL GURL::Resolve(const std::string& relative) const {
   return ResolveWithCharsetConverter(relative, NULL);
 }