HTTP Bad: Add warning message to autofill dropdown for http sites

components/autofill/core/browser/autofill_external_delegate.h

Index: components/autofill/core/browser/autofill_external_delegate.h
diff --git a/components/autofill/core/browser/autofill_external_delegate.h b/components/autofill/core/browser/autofill_external_delegate.h
index 22a002f7e0d40c1441aa7b3c78d16868c2c78d04..da5b49e6ecacccaefd15aa5d80789664fd50d08f 100644
--- a/components/autofill/core/browser/autofill_external_delegate.h
+++ b/components/autofill/core/browser/autofill_external_delegate.h
@@ -100,8 +100,12 @@ class AutofillExternalDelegate : public AutofillPopupDelegate {
   // this data.
   void FillAutofillFormData(int unique_id, bool is_preview);
 
-  // Handle applying any Autofill warnings to the Autofill popup.
-  void ApplyAutofillWarnings(std::vector<Suggestion>* suggestions);
+  // Will remove Autofill warnings from |suggestions| if there are also
+  // autocomplete entries in the vector. Note: at this point, it is assumed that
+  // if there are Autofill warnings, they will be at the head of the vector and
+  // any entry that is not an Autofill warning is considered an Autocomplete
+  // entry.
+  void PossiblyRemoveAutofillWarnings(std::vector<Suggestion>* suggestions);
 
   // Handle applying any Autofill option listings to the Autofill popup.
   // This function should only get called when there is at least one
@@ -114,6 +118,10 @@ class AutofillExternalDelegate : public AutofillPopupDelegate {
   // version.
   void InsertDataListValues(std::vector<Suggestion>* suggestions);
 
+  // Returns true if the suggestion entry is an Autofill warning message.
+  // Warning message should display on top of suggestion list.
+  bool IsAutofillWarningEntry(int frontend_id);

[Mathieu, 2016/11/08 17:26:17]

this can be in the anonymous namespace of the cc file.

[lshang, 2016/11/08 23:39:06]

Done.

+
   AutofillManager* manager_;  // weak.
 
   // Provides driver-level context to the shared code of the component. Must