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

content/browser/power_profiler/power_profiler_service.cc

Index: content/browser/power_profiler/power_profiler_service.cc
diff --git a/content/browser/power_profiler/power_profiler_service.cc b/content/browser/power_profiler/power_profiler_service.cc
index 84ddb1bd15abbb6a4239902d366432efe2dd31f5..9961b6fbcc84bccc43ae16608e0ba643dcd10387 100644
--- a/content/browser/power_profiler/power_profiler_service.cc
+++ b/content/browser/power_profiler/power_profiler_service.cc
@@ -14,7 +14,7 @@ namespace content {
 PowerProfilerService::PowerProfilerService()
     : status_(UNINITIALIZED),
       data_provider_(PowerDataProvider::Create()) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
   // No provider supported for current platform.
   if (!data_provider_.get())
@@ -33,7 +33,7 @@ PowerProfilerService::PowerProfilerService(
       status_(UNINITIALIZED),
       sample_period_(sample_period),
       data_provider_(provider.Pass()) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
   if (data_provider_.get())
       status_ = INITIALIZED;