Move CanonicalCookie into separate files

chrome/browser/net/chrome_cookie_notification_details.h

Index: chrome/browser/net/chrome_cookie_notification_details.h
diff --git a/chrome/browser/net/chrome_cookie_notification_details.h b/chrome/browser/net/chrome_cookie_notification_details.h
index 4b1229fad6080584dc0138427675712c2419aed6..d54f280e5128cb08a890acdf5c49950b9b977e04 100644
--- a/chrome/browser/net/chrome_cookie_notification_details.h
+++ b/chrome/browser/net/chrome_cookie_notification_details.h
@@ -7,9 +7,13 @@
 
 #include "net/cookies/cookie_monster.h"
 
+namespace net {
+class CanonicalCookie;
+}
+
 struct ChromeCookieDetails {
  public:
-  ChromeCookieDetails(const net::CookieMonster::CanonicalCookie* cookie_copy,
+  ChromeCookieDetails(const net::CanonicalCookie* cookie_copy,
                       bool is_removed,
                       net::CookieMonster::Delegate::ChangeCause cause)
       : cookie(cookie_copy),
@@ -17,7 +21,7 @@ struct ChromeCookieDetails {
         cause(cause) {
   }
 
-  const net::CookieMonster::CanonicalCookie* cookie;
+  const net::CanonicalCookie* cookie;
   bool removed;
   net::CookieMonster::Delegate::ChangeCause cause;
 };