Replace DCHECK(BrowserThread::CurrentlyOn) with DCHECK_CURRENTLY_ON in extensions.

chrome/browser/extensions/api/dns/mock_host_resolver_creator.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.
 
 #include "chrome/browser/extensions/api/dns/mock_host_resolver_creator.h"
 
 #include "chrome/test/base/in_process_browser_test.h"
 #include "content/public/browser/browser_thread.h"
 #include "net/dns/mock_host_resolver.h"
 
 using content::BrowserThread;
 
 namespace extensions {
 
 const std::string MockHostResolverCreator::kHostname = "www.sowbug.com";
 const std::string MockHostResolverCreator::kAddress = "9.8.7.6";
 
 MockHostResolverCreator::MockHostResolverCreator()
   : resolver_event_(true, false),
     mock_host_resolver_(NULL) {
 }
 
 MockHostResolverCreator::~MockHostResolverCreator() {
 }
 
 net::MockHostResolver* MockHostResolverCreator::CreateMockHostResolver() {
   DCHECK(!mock_host_resolver_);
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
   bool result = BrowserThread::PostTask(
       BrowserThread::IO, FROM_HERE,
       base::Bind(&MockHostResolverCreator::CreateMockHostResolverOnIOThread,
                  this));
   DCHECK(result);
 
   base::TimeDelta max_time = base::TimeDelta::FromSeconds(5);
   resolver_event_.TimedWait(max_time);
 
   return mock_host_resolver_;
 }
 
 void MockHostResolverCreator::CreateMockHostResolverOnIOThread() {
   mock_host_resolver_ = new net::MockHostResolver();
   mock_host_resolver_->rules()->AddRule(kHostname, kAddress);
   mock_host_resolver_->rules()->AddSimulatedFailure("this.hostname.is.bogus");
   resolver_event_.Signal();
 }
 
 void MockHostResolverCreator::DeleteMockHostResolver() {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
   if (!mock_host_resolver_)
     return;
   resolver_event_.Reset();
   bool result = BrowserThread::PostTask(
       BrowserThread::IO, FROM_HERE,
       base::Bind(&MockHostResolverCreator::DeleteMockHostResolverOnIOThread,
                  this));
   DCHECK(result);
 
   base::TimeDelta max_time = base::TimeDelta::FromSeconds(5);
   ASSERT_TRUE(resolver_event_.TimedWait(max_time));
 }
 
 void MockHostResolverCreator::DeleteMockHostResolverOnIOThread() {
   delete(mock_host_resolver_);
   mock_host_resolver_ = NULL;
   resolver_event_.Signal();
 }
 
 }  // namespace extensions