[chrome/browser/net] favor DCHECK_CURRENTLY_ON for better logs

chrome/browser/net/chrome_url_request_context_getter.cc

 // Copyright 2014 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/net/chrome_url_request_context_getter.h"
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/message_loop/message_loop.h"
 #include "base/message_loop/message_loop_proxy.h"
@@ skipping 161 matching lines @@
     : factory_(factory),
       url_request_context_(NULL) {
   DCHECK(factory);
 }
 
 ChromeURLRequestContextGetter::~ChromeURLRequestContextGetter() {}
 
 // Lazily create a URLRequestContext using our factory.
 net::URLRequestContext*
 ChromeURLRequestContextGetter::GetURLRequestContext() {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);
 
   if (factory_.get()) {
     DCHECK(!url_request_context_);
     url_request_context_ = factory_->Create();
     factory_.reset();
   }
 
   // Context reference is valid, unless we're trying to use the
   // URLRequestContextGetter after the Profile has already been deleted.
   CHECK(url_request_context_);
 
   return url_request_context_;
 }
 
 void ChromeURLRequestContextGetter::Invalidate() {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);
   factory_.reset();
   url_request_context_ = NULL;
 }
 
 scoped_refptr<base::SingleThreadTaskRunner>
 ChromeURLRequestContextGetter::GetNetworkTaskRunner() const {
   return BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO);
 }
 
 // static
@@ skipping 47 matching lines @@
 ChromeURLRequestContextGetter*
 ChromeURLRequestContextGetter::CreateForIsolatedMedia(
     Profile* profile,
     ChromeURLRequestContextGetter* app_context,
     const ProfileIOData* profile_io_data,
     const StoragePartitionDescriptor& partition_descriptor) {
   return new ChromeURLRequestContextGetter(
       new FactoryForIsolatedMedia(
           profile_io_data, partition_descriptor, app_context));
 }