Make 'Google Smart Lock' a hyperlink in the password infobar on Mac.

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 daef8c1536e378967b41a85577d363425da1f0ad..784fe0f4bcdfbb322bcac0ef36283b9c76aa2619 100644
--- a/components/infobars/core/confirm_infobar_delegate.cc
+++ b/components/infobars/core/confirm_infobar_delegate.cc
@@ -19,6 +19,10 @@ InfoBarDelegate::InfoBarAutomationType
   return CONFIRM_INFOBAR;
 }
 
+gfx::Range ConfirmInfoBarDelegate::GetMessageLinkRange() const {
+  return gfx::Range();
+}
+
 int ConfirmInfoBarDelegate::GetButtons() const {
   return BUTTON_OK | BUTTON_CANCEL;
 }