Remove usage of FOR_EACH_OBSERVER macro in components/translate

components/translate/content/browser/content_translate_driver.cc

Index: components/translate/content/browser/content_translate_driver.cc
diff --git a/components/translate/content/browser/content_translate_driver.cc b/components/translate/content/browser/content_translate_driver.cc
index 9860c307388dcf0d6b191cccef217af143e12bed..54a862d50326738eb215d07460a05097fdaf6a0e 100644
--- a/components/translate/content/browser/content_translate_driver.cc
+++ b/components/translate/content/browser/content_translate_driver.cc
@@ -94,14 +94,14 @@ bool ContentTranslateDriver::IsLinkNavigation() {
 
 void ContentTranslateDriver::OnTranslateEnabledChanged() {
   content::WebContents* web_contents = navigation_controller_->GetWebContents();
-  FOR_EACH_OBSERVER(
-      Observer, observer_list_, OnTranslateEnabledChanged(web_contents));
+  for (auto& observer : observer_list_)
+    observer.OnTranslateEnabledChanged(web_contents);
 }
 
 void ContentTranslateDriver::OnIsPageTranslatedChanged() {
   content::WebContents* web_contents = navigation_controller_->GetWebContents();
-  FOR_EACH_OBSERVER(Observer, observer_list_,
-                    OnIsPageTranslatedChanged(web_contents));
+  for (auto& observer : observer_list_)
+    observer.OnIsPageTranslatedChanged(web_contents);
 }
 
 void ContentTranslateDriver::TranslatePage(int page_seq_no,
@@ -238,7 +238,8 @@ void ContentTranslateDriver::RegisterPage(
   if (web_contents())
     translate_manager_->InitiateTranslation(details.adopted_language);
 
-  FOR_EACH_OBSERVER(Observer, observer_list_, OnLanguageDetermined(details));
+  for (auto& observer : observer_list_)
+    observer.OnLanguageDetermined(details);
 }
 
 void ContentTranslateDriver::OnPageTranslated(
@@ -251,10 +252,8 @@ void ContentTranslateDriver::OnPageTranslated(
 
   translate_manager_->PageTranslated(
       original_lang, translated_lang, error_type);
-  FOR_EACH_OBSERVER(
-      Observer,
-      observer_list_,
-      OnPageTranslated(original_lang, translated_lang, error_type));
+  for (auto& observer : observer_list_)
+    observer.OnPageTranslated(original_lang, translated_lang, error_type);
 }
 
 }  // namespace translate