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

chrome/browser/password_manager/save_password_infobar_delegate.h

Index: chrome/browser/password_manager/save_password_infobar_delegate.h
diff --git a/chrome/browser/password_manager/save_password_infobar_delegate.h b/chrome/browser/password_manager/save_password_infobar_delegate.h
index 2cdc492f8db3e2274e994125a174a076c49aae7d..33be8eb9dd6fc60d36b6eb8175a3edc25889833c 100644
--- a/chrome/browser/password_manager/save_password_infobar_delegate.h
+++ b/chrome/browser/password_manager/save_password_infobar_delegate.h
@@ -47,8 +47,6 @@ class SavePasswordInfoBarDelegate : public ConfirmInfoBarDelegate {
   // Android it should display the "More" button.
   bool ShouldShowMoreButton();
 
-  const gfx::Range& title_link_range() const { return title_link_range_; }
-
   // ConfirmInfoBarDelegate:
   Type GetInfoBarType() const override;
   InfoBarAutomationType GetInfoBarAutomationType() const override;
@@ -56,6 +54,7 @@ class SavePasswordInfoBarDelegate : public ConfirmInfoBarDelegate {
   bool ShouldExpire(const NavigationDetails& details) const override;
   void InfoBarDismissed() override;
   base::string16 GetMessageText() const override;
+  gfx::Range GetMessageLinkRange() const override;
   base::string16 GetButtonLabel(InfoBarButton button) const override;
   bool LinkClicked(WindowOpenDisposition disposition) override;
   bool Accept() override;