Remove dependency of infobars component on the embedder

components/infobars/core/confirm_infobar_delegate.cc

Index: components/infobars/core/confirm_infobar_delegate.cc
diff --git a/components/infobars/core/confirm_infobar_delegate.cc b/components/infobars/core/confirm_infobar_delegate.cc
index 0c2e59e5ad239dc3940ef706b84f0a1666de0a03..9c00449a5a22bc0bf1e3ca7245c41ca96e074ca4 100644
--- a/components/infobars/core/confirm_infobar_delegate.cc
+++ b/components/infobars/core/confirm_infobar_delegate.cc
@@ -4,6 +4,8 @@
 
 #include "components/infobars/core/confirm_infobar_delegate.h"
 
+#include "base/logging.h"
+#include "components/infobars/core/infobar.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/strings/grit/ui_strings.h"
 
@@ -57,9 +59,6 @@ bool ConfirmInfoBarDelegate::ShouldExpireInternal(
       InfoBarDelegate::ShouldExpireInternal(details);
 }
 
-// ConfirmInfoBarDelegate::CreateInfoBar() is implemented in platform-specific
-// files.
-
 bool ConfirmInfoBarDelegate::EqualsDelegate(InfoBarDelegate* delegate) const {
   ConfirmInfoBarDelegate* confirm_delegate =
       delegate->AsConfirmInfoBarDelegate();