Get rid of CookieMonster::Delegate typedef.

chrome/browser/extensions/extension_cookie_monster_delegate.h

Index: chrome/browser/extensions/extension_cookie_monster_delegate.h
diff --git a/chrome/browser/extensions/extension_cookie_monster_delegate.h b/chrome/browser/extensions/extension_cookie_monster_delegate.h
index 75c7fc79e5315533f422cd9c5a32f734616d0d12..9ce6f939c816c406292f325d70d5e0bc1053e4a1 100644
--- a/chrome/browser/extensions/extension_cookie_monster_delegate.h
+++ b/chrome/browser/extensions/extension_cookie_monster_delegate.h
@@ -17,11 +17,11 @@ class ExtensionCookieMonsterDelegate : public net::CookieMonsterDelegate {
  public:
   explicit ExtensionCookieMonsterDelegate(Profile* profile);
 
-  // net::CookieMonster::Delegate implementation.
+  // net::CookieMonsterDelegate implementation.
   void OnCookieChanged(
       const net::CanonicalCookie& cookie,
       bool removed,
-      net::CookieMonster::Delegate::ChangeCause cause) override;
+      net::CookieMonsterDelegate::ChangeCause cause) override;
 
  private:
   ~ExtensionCookieMonsterDelegate() override;
@@ -29,7 +29,7 @@ class ExtensionCookieMonsterDelegate : public net::CookieMonsterDelegate {
   void OnCookieChangedAsyncHelper(
       const net::CanonicalCookie& cookie,
       bool removed,
-      net::CookieMonster::Delegate::ChangeCause cause);
+      net::CookieMonsterDelegate::ChangeCause cause);
 
   const base::Callback<Profile*(void)> profile_getter_;