favor DCHECK_CURRENTLY_ON for better logs in content/browser/[f-p]*

content/browser/power_save_blocker_chromeos.cc

Index: content/browser/power_save_blocker_chromeos.cc
diff --git a/content/browser/power_save_blocker_chromeos.cc b/content/browser/power_save_blocker_chromeos.cc
index 854a1ef14bef83f9d91566bd2861e624fbe6453a..83c6e8aab2312b9617888c42e54c0e804df665b7 100644
--- a/content/browser/power_save_blocker_chromeos.cc
+++ b/content/browser/power_save_blocker_chromeos.cc
@@ -44,7 +44,7 @@ class PowerSaveBlockerImpl::Delegate
       : type_(type), reason_(reason), description_(description), block_id_(0) {}
 
   void ApplyBlock() {
-    DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+    DCHECK_CURRENTLY_ON(BrowserThread::UI);
     if (!chromeos::PowerPolicyController::IsInitialized())
       return;
 
@@ -64,7 +64,7 @@ class PowerSaveBlockerImpl::Delegate
   }
 
   void RemoveBlock() {
-    DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+    DCHECK_CURRENTLY_ON(BrowserThread::UI);
     if (!chromeos::PowerPolicyController::IsInitialized())
       return;