favor DCHECK_CURRENTLY_ON for better logs in content/browser/[a-d]*

content/browser/cross_site_transfer_browsertest.cc

Index: content/browser/cross_site_transfer_browsertest.cc
diff --git a/content/browser/cross_site_transfer_browsertest.cc b/content/browser/cross_site_transfer_browsertest.cc
index 3911545da0fbc41446481b948e0af8aadb95d7a7..4cc75c79e7502a29fed29c3448946c7df01571b0 100644
--- a/content/browser/cross_site_transfer_browsertest.cc
+++ b/content/browser/cross_site_transfer_browsertest.cc
@@ -210,13 +210,13 @@ class CrossSiteTransferTest : public ContentBrowserTest {
   }
 
   void InjectResourceDisptcherHostDelegate() {
-    DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
+    DCHECK_CURRENTLY_ON(BrowserThread::IO);
     old_delegate_ = ResourceDispatcherHostImpl::Get()->delegate();
     ResourceDispatcherHostImpl::Get()->SetDelegate(&tracking_delegate_);
   }
 
   void RestoreResourceDisptcherHostDelegate() {
-    DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
+    DCHECK_CURRENTLY_ON(BrowserThread::IO);
     ResourceDispatcherHostImpl::Get()->SetDelegate(old_delegate_);
     old_delegate_ = NULL;
   }