Move the cookie store implementation into its own directory.

net/cookies/cookie_store.h

Index: net/cookies/cookie_store.h
diff --git a/net/base/cookie_store.h b/net/cookies/cookie_store.h
similarity index 96%
copy from net/base/cookie_store.h
copy to net/cookies/cookie_store.h
index 0336a9ba926c32512719555b44fec7d96f0fb761..00f299c92dea97eaa62e5bbca34035be4a8f782a 100644
--- a/net/base/cookie_store.h
+++ b/net/cookies/cookie_store.h
@@ -4,8 +4,8 @@
 
 // Brought to you by number 42.
 
-#ifndef NET_BASE_COOKIE_STORE_H_
-#define NET_BASE_COOKIE_STORE_H_
+#ifndef NET_COOKIES_COOKIE_STORE_H_
+#define NET_COOKIES_COOKIE_STORE_H_
 #pragma once
 
 #include <string>
@@ -15,7 +15,7 @@
 #include "base/callback.h"
 #include "base/memory/ref_counted.h"
 #include "base/time.h"
-#include "net/base/cookie_options.h"
+#include "net/cookies/cookie_options.h"
 #include "net/base/net_export.h"
 
 class GURL;
@@ -110,4 +110,4 @@ class NET_EXPORT CookieStore : public base::RefCountedThreadSafe<CookieStore> {
 
 }  // namespace net
 
-#endif  // NET_BASE_COOKIE_STORE_H_
+#endif  // NET_COOKIES_COOKIE_STORE_H_