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      1 // Copyright 2014 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "chrome/browser/net/nss_context.h"
      6 
      7 #include "base/message_loop/message_loop_proxy.h"
      8 #include "chrome/browser/profiles/profile.h"
      9 #include "content/public/browser/browser_thread.h"
     10 #include "content/public/browser/resource_context.h"
     11 
     12 using content::BrowserThread;
     13 
     14 namespace {
     15 
     16 // Relays callback to the right message loop.
     17 void DidGetCertDBOnIOThread(
     18     scoped_refptr<base::MessageLoopProxy> response_message_loop,
     19     const base::Callback<void(net::NSSCertDatabase*)>& callback,
     20     net::NSSCertDatabase* cert_db) {
     21   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
     22 
     23   response_message_loop->PostTask(FROM_HERE, base::Bind(callback, cert_db));
     24 }
     25 
     26 // Gets NSSCertDatabase for the resource context.
     27 void GetCertDBOnIOThread(
     28     content::ResourceContext* context,
     29     scoped_refptr<base::MessageLoopProxy> response_message_loop,
     30     const base::Callback<void(net::NSSCertDatabase*)>& callback) {
     31   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
     32 
     33   // Note that the callback will be used only if the cert database hasn't yet
     34   // been initialized.
     35   net::NSSCertDatabase* cert_db = GetNSSCertDatabaseForResourceContext(
     36       context,
     37       base::Bind(&DidGetCertDBOnIOThread, response_message_loop, callback));
     38 
     39   if (cert_db)
     40     DidGetCertDBOnIOThread(response_message_loop, callback, cert_db);
     41 }
     42 
     43 }  // namespace
     44 
     45 void GetNSSCertDatabaseForProfile(
     46     Profile* profile,
     47     const base::Callback<void(net::NSSCertDatabase*)>& callback) {
     48   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
     49 
     50   BrowserThread::PostTask(BrowserThread::IO,
     51                           FROM_HERE,
     52                           base::Bind(&GetCertDBOnIOThread,
     53                                      profile->GetResourceContext(),
     54                                      base::MessageLoopProxy::current(),
     55                                      callback));
     56 }
     57 
     58