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

chrome/browser/net/chrome_http_user_agent_settings.cc

Index: chrome/browser/net/chrome_http_user_agent_settings.cc
diff --git a/chrome/browser/net/chrome_http_user_agent_settings.cc b/chrome/browser/net/chrome_http_user_agent_settings.cc
index dca7cfadf1234d2fb06e3ff373531e5319de3cef..73c0df8bddf95bd640e4ed299dd31577d4aeddbf 100644
--- a/chrome/browser/net/chrome_http_user_agent_settings.cc
+++ b/chrome/browser/net/chrome_http_user_agent_settings.cc
@@ -11,7 +11,7 @@
 #include "net/http/http_util.h"
 
 ChromeHttpUserAgentSettings::ChromeHttpUserAgentSettings(PrefService* prefs) {
-  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   pref_accept_language_.Init(prefs::kAcceptLanguages, prefs);
   last_pref_accept_language_ = *pref_accept_language_;
   last_http_accept_language_ =
@@ -22,16 +22,16 @@ ChromeHttpUserAgentSettings::ChromeHttpUserAgentSettings(PrefService* prefs) {
 }
 
 ChromeHttpUserAgentSettings::~ChromeHttpUserAgentSettings() {
-  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::IO));
+  DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
 }
 
 void ChromeHttpUserAgentSettings::CleanupOnUIThread() {
-  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   pref_accept_language_.Destroy();
 }
 
 std::string ChromeHttpUserAgentSettings::GetAcceptLanguage() const {
-  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::IO));
+  DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
   std::string new_pref_accept_language = *pref_accept_language_;
   if (new_pref_accept_language != last_pref_accept_language_) {
     last_http_accept_language_ =
@@ -42,7 +42,7 @@ std::string ChromeHttpUserAgentSettings::GetAcceptLanguage() const {
 }
 
 std::string ChromeHttpUserAgentSettings::GetUserAgent() const {
-  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::IO));
+  DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
   return ::GetUserAgent();
 }