favor DCHECK_CURRENTLY_ON for better logs in chrome/browser/renderer_context_menu

BUG=466848

Review URL: https://codereview.chromium.org/1110473002

Cr-Commit-Position: refs/heads/master@{#327076}

chrome/browser/renderer_context_menu/spellchecker_submenu_observer_hunspell.cc

@@ -40,7 +40,7 @@ SpellCheckerSubMenuObserver::~SpellCheckerSubMenuObserver() {
 
 void SpellCheckerSubMenuObserver::InitMenu(
     const content::ContextMenuParams& params) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
   // Add available spell-checker languages to the sub menu.
   content::BrowserContext* browser_context = proxy_->GetBrowserContext();

chrome/browser/renderer_context_menu/spellchecker_submenu_observer_mac.cc

@@ -44,7 +44,7 @@ SpellCheckerSubMenuObserver::~SpellCheckerSubMenuObserver() {
 
 void SpellCheckerSubMenuObserver::InitMenu(
     const content::ContextMenuParams& params) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
   // Add an item that toggles the spelling panel.
   submenu_model_.AddCheckItem(

chrome/browser/renderer_context_menu/spelling_menu_observer.cc

@@ -52,7 +52,7 @@ SpellingMenuObserver::~SpellingMenuObserver() {
 }
 
 void SpellingMenuObserver::InitMenu(const content::ContextMenuParams& params) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
   DCHECK(!params.misspelled_word.empty() ||
       params.dictionary_suggestions.empty());