Introduce SigninManagerDelegate and use to eliminate CookieSettings dependency.

chrome/browser/ui/sync/one_click_signin_helper.cc

Index: chrome/browser/ui/sync/one_click_signin_helper.cc
diff --git a/chrome/browser/ui/sync/one_click_signin_helper.cc b/chrome/browser/ui/sync/one_click_signin_helper.cc
index fe4f5b2f86743d738ef75b827bc296def37a5eb1..90f9c30c24079a6db3b0596583a8c765da7d5fe3 100644
--- a/chrome/browser/ui/sync/one_click_signin_helper.cc
+++ b/chrome/browser/ui/sync/one_click_signin_helper.cc
@@ -31,7 +31,9 @@
 #include "chrome/browser/profiles/profile_io_data.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/search/search.h"
+#include "chrome/browser/signin/chrome_signin_manager_delegate.h"
 #include "chrome/browser/signin/signin_manager.h"
+#include "chrome/browser/signin/signin_manager_delegate.h"
 #include "chrome/browser/signin/signin_manager_factory.h"
 #include "chrome/browser/signin/signin_names_io_thread.h"
 #include "chrome/browser/sync/profile_sync_service.h"
@@ -484,7 +486,7 @@ bool OneClickSigninHelper::CanOffer(content::WebContents* web_contents,
       !profile->GetPrefs()->GetBoolean(prefs::kReverseAutologinEnabled))
     return false;
 
-  if (!SigninManager::AreSigninCookiesAllowed(profile))
+  if (!ChromeSigninManagerDelegate::ProfileAllowsSigninCookies(profile))
     return false;
 
   if (!email.empty()) {
@@ -608,7 +610,8 @@ OneClickSigninHelper::Offer OneClickSigninHelper::CanOfferOnIOThreadImpl(
   if (!io_data->google_services_username()->GetValue().empty())
     return DONT_OFFER;
 
-  if (!SigninManager::AreSigninCookiesAllowed(io_data->GetCookieSettings()))
+  if (!ChromeSigninManagerDelegate::SettingsAllowSigninCookies(
+          io_data->GetCookieSettings()))
     return DONT_OFFER;
 
   // The checks below depend on chrome already knowing what account the user