net: make CanonicalCookie's constructor private

net/cookies/canonical_cookie.cc

Index: net/cookies/canonical_cookie.cc
diff --git a/net/cookies/canonical_cookie.cc b/net/cookies/canonical_cookie.cc
index d117d5ee3482e60fcccac79431600e1b6f9b83f7..9bc43a3fc0b5a05e2c6ab02ba78821e65373559f 100644
--- a/net/cookies/canonical_cookie.cc
+++ b/net/cookies/canonical_cookie.cc
@@ -125,6 +125,10 @@ CanonicalCookie::CanonicalCookie()
       httponly_(false) {
 }
 
+CanonicalCookie::CanonicalCookie(const CanonicalCookie& other) = default;
+
+CanonicalCookie::~CanonicalCookie() {}
+
 CanonicalCookie::CanonicalCookie(const GURL& url,
                                  const std::string& name,
                                  const std::string& value,
@@ -149,11 +153,6 @@ CanonicalCookie::CanonicalCookie(const GURL& url,
       same_site_(same_site),
       priority_(priority) {}
 
-CanonicalCookie::CanonicalCookie(const CanonicalCookie& other) = default;
-
-CanonicalCookie::~CanonicalCookie() {
-}
-
 // static
 std::string CanonicalCookie::CanonPath(const GURL& url,
                                        const ParsedCookie& pc) {