Persist "Save password" infobars across redirects

chrome/browser/password_manager/password_manager_delegate_impl.cc

Index: chrome/browser/password_manager/password_manager_delegate_impl.cc
diff --git a/chrome/browser/password_manager/password_manager_delegate_impl.cc b/chrome/browser/password_manager/password_manager_delegate_impl.cc
index 9d63a906a8a6c46a81318048474feffb535471b3..dbfe80543b272616aa32c6a251ac74979ad77b74 100644
--- a/chrome/browser/password_manager/password_manager_delegate_impl.cc
+++ b/chrome/browser/password_manager/password_manager_delegate_impl.cc
@@ -20,6 +20,7 @@
 #include "components/autofill/content/common/autofill_messages.h"
 #include "components/autofill/core/browser/autofill_manager.h"
 #include "components/autofill/core/common/password_form.h"
+#include "content/public/browser/navigation_details.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/web_contents.h"
@@ -65,6 +66,10 @@ class SavePasswordInfoBarDelegate : public ConfirmInfoBarDelegate {
                               const std::string& uma_histogram_suffix);
   virtual ~SavePasswordInfoBarDelegate();
 
+  // InfoBarDelegate
+  virtual bool ShouldExpire(const content::LoadCommittedDetails& details)
+      const OVERRIDE;
+
   // ConfirmInfoBarDelegate
   virtual int GetIconID() const OVERRIDE;
   virtual Type GetInfoBarType() const OVERRIDE;
@@ -154,6 +159,13 @@ SavePasswordInfoBarDelegate::~SavePasswordInfoBarDelegate() {
   }
 }
 
+bool SavePasswordInfoBarDelegate::ShouldExpire(
+    const content::LoadCommittedDetails& details) const {
+  bool is_redirect = details.entry->GetTransitionType() &
+                     content::PageTransition::PAGE_TRANSITION_IS_REDIRECT_MASK;
+  return !is_redirect && InfoBarDelegate::ShouldExpire(details);
+}
+
 int SavePasswordInfoBarDelegate::GetIconID() const {
   return IDR_INFOBAR_SAVE_PASSWORD;
 }