favor DCHECK_CURRENTLY_ON for better logs in android_webview/

android_webview/browser/net/aw_url_request_context_getter.cc

Index: android_webview/browser/net/aw_url_request_context_getter.cc
diff --git a/android_webview/browser/net/aw_url_request_context_getter.cc b/android_webview/browser/net/aw_url_request_context_getter.cc
index ca1c5617550be34d808d025fcbb0a9d38a6b7d3e..0d9c5fde69039f8d1c5281eeecb01a8322747388 100644
--- a/android_webview/browser/net/aw_url_request_context_getter.cc
+++ b/android_webview/browser/net/aw_url_request_context_getter.cc
@@ -181,14 +181,14 @@ AwURLRequestContextGetter::AwURLRequestContextGetter(
       net_log_(new net::NetLog()) {
   proxy_config_service_ = config_service.Pass();
   // CreateSystemProxyConfigService for Android must be called on main thread.
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
 }
 
 AwURLRequestContextGetter::~AwURLRequestContextGetter() {
 }
 
 void AwURLRequestContextGetter::InitializeURLRequestContext() {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);
   DCHECK(!url_request_context_);
 
   net::URLRequestContextBuilder builder;
@@ -248,7 +248,7 @@ void AwURLRequestContextGetter::InitializeURLRequestContext() {
 }
 
 net::URLRequestContext* AwURLRequestContextGetter::GetURLRequestContext() {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);
   if (!url_request_context_)
     InitializeURLRequestContext();