Move CanonicalCookie into separate files

chrome/browser/ui/gtk/gtk_chrome_cookie_view.h

Index: chrome/browser/ui/gtk/gtk_chrome_cookie_view.h
diff --git a/chrome/browser/ui/gtk/gtk_chrome_cookie_view.h b/chrome/browser/ui/gtk/gtk_chrome_cookie_view.h
index 51564fdce2a6bf4c7bbaf4b07675d9d697b0421f..2f72490789f127974330f379d90ae0ac3e0fcbab 100644
--- a/chrome/browser/ui/gtk/gtk_chrome_cookie_view.h
+++ b/chrome/browser/ui/gtk/gtk_chrome_cookie_view.h
@@ -13,10 +13,13 @@
 #include "chrome/browser/browsing_data_database_helper.h"
 #include "chrome/browser/browsing_data_indexed_db_helper.h"
 #include "chrome/browser/browsing_data_local_storage_helper.h"
-#include "net/cookies/cookie_monster.h"
 
 class GURL;
 
+namespace net {
+class CanonicalCookie;
+}
+
 G_BEGIN_DECLS
 
 #define GTK_TYPE_CHROME_COOKIE_VIEW gtk_chrome_cookie_view_get_type()
@@ -139,7 +142,7 @@ G_END_DECLS
 void gtk_chrome_cookie_view_display_cookie(
     GtkChromeCookieView* widget,
     const std::string& domain,
-    const net::CookieMonster::CanonicalCookie& cookie);
+    const net::CanonicalCookie& cookie);
 
 // Looks up the cookie_line in CookieMonster and displays that.
 void gtk_chrome_cookie_view_display_cookie_string(