Expand net::CookieStore::ChangeCause::EXPLICIT for debugging.

chrome/browser/extensions/api/cookies/cookies_api.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Implements the Chrome Extensions Cookies API.
 
 #include "chrome/browser/extensions/api/cookies/cookies_api.h"
 
 #include <memory>
 #include <utility>
@@ skipping 128 matching lines @@
   cookies::Cookie cookie = cookies_helpers::CreateCookie(
       *details->cookie, cookies_helpers::GetStoreIdFromProfile(profile));
   dict->Set(keys::kCookieKey, cookie.ToValue());
 
   // Map the internal cause to an external string.
   std::string cause;
   switch (details->cause) {
     // Report an inserted cookie as an "explicit" change cause. All other causes
     // only make sense for deletions.
     case net::CookieStore::ChangeCause::INSERTED:
-    case net::CookieStore::ChangeCause::EXPLICIT:
+    case net::CookieStore::ChangeCause::EXPLICIT_DELETE:
+    case net::CookieStore::ChangeCause::EXPLICIT_DUPLICATE_IN_BACKING_STORE:
+    case net::CookieStore::ChangeCause::EXPLICIT_DONT_RECORD:
+    case net::CookieStore::ChangeCause::EXPLICIT_LAST_ENTRY:
       cause = keys::kExplicitChangeCause;
       break;
 
     case net::CookieStore::ChangeCause::OVERWRITE:
       cause = keys::kOverwriteChangeCause;
       break;
 
     case net::CookieStore::ChangeCause::EXPIRED:
       cause = keys::kExpiredChangeCause;
       break;
@@ skipping 428 matching lines @@
 BrowserContextKeyedAPIFactory<CookiesAPI>* CookiesAPI::GetFactoryInstance() {
   return g_factory.Pointer();
 }
 
 void CookiesAPI::OnListenerAdded(const EventListenerInfo& details) {
   cookies_event_router_.reset(new CookiesEventRouter(browser_context_));
   EventRouter::Get(browser_context_)->UnregisterObserver(this);
 }
 
 }  // namespace extensions