AutofillPopupController clarifications + simplifications.

chrome/browser/autofill/autofill_external_delegate.h

Index: chrome/browser/autofill/autofill_external_delegate.h
diff --git a/chrome/browser/autofill/autofill_external_delegate.h b/chrome/browser/autofill/autofill_external_delegate.h
index 04dd109b547c8fdc2b74eb7ea6af126031167afc..3dcb020ebd45f312969d8822699bc7914c70a6fe 100644
--- a/chrome/browser/autofill/autofill_external_delegate.h
+++ b/chrome/browser/autofill/autofill_external_delegate.h
@@ -47,13 +47,11 @@ class AutofillExternalDelegate
                                              AutofillManager* autofill_manager);
 
   // AutofillPopupDelegate implementation.
-  virtual void SelectAutofillSuggestion(int unique_id) OVERRIDE;
-  virtual bool DidAcceptAutofillSuggestion(const string16& value,
-                                           int unique_id,
-                                           unsigned index) OVERRIDE;
+  virtual void DidSelectSuggestion(int identifier) OVERRIDE;
+  virtual void DidAcceptSuggestion(const string16& value,
+                                   int identifier) OVERRIDE;
+  virtual void RemoveSuggestion(const string16& value, int identifier) OVERRIDE;
   virtual void ClearPreviewedForm() OVERRIDE;
-  virtual void RemoveAutocompleteEntry(const string16& value) OVERRIDE;
-  virtual void RemoveAutofillProfileOrCreditCard(int unique_id) OVERRIDE;
   virtual void ControllerDestroyed() OVERRIDE;
 
   // Records and associates a query_id with web form data.  Called