favor DCHECK_CURRENTLY_ON for better logs in chrome/browser/chromeos/

chrome/browser/chromeos/app_mode/kiosk_app_data.cc

Index: chrome/browser/chromeos/app_mode/kiosk_app_data.cc
diff --git a/chrome/browser/chromeos/app_mode/kiosk_app_data.cc b/chrome/browser/chromeos/app_mode/kiosk_app_data.cc
index af29edac943f459ecd0bcea887a279dc0328157e..705fd1b7c4f044d0b6cbf8f92ce8768bc2654dd4 100644
--- a/chrome/browser/chromeos/app_mode/kiosk_app_data.cc
+++ b/chrome/browser/chromeos/app_mode/kiosk_app_data.cc
@@ -167,7 +167,7 @@ class KioskAppData::CrxLoader : public extensions::SandboxedUnpackerClient {
   }
 
   void NotifyFinishedOnUIThread() {
-    DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+    DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
     if (client_)
       client_->OnCrxLoadFinished(this);
@@ -259,7 +259,7 @@ class KioskAppData::IconLoader : public ImageDecoder::Delegate {
   }
 
   void ReportResultOnUIThread() {
-    DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+    DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
     NotifyClient();
     delete this;
@@ -533,7 +533,7 @@ void KioskAppData::OnExtensionIconLoaded(const gfx::Image& icon) {
 }
 
 void KioskAppData::OnIconLoadSuccess(const gfx::ImageSkia& icon) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
   icon_ = icon;
   SetStatus(STATUS_LOADED);
 }