Add "previewing on hover" support for password field.

components/autofill/core/browser/password_autofill_manager.h

Index: components/autofill/core/browser/password_autofill_manager.h
diff --git a/components/autofill/core/browser/password_autofill_manager.h b/components/autofill/core/browser/password_autofill_manager.h
index ddde78eb0faa337f9a1ef49f98af8daca681e231..60c861a3b85b9fd58fc3b8dc169d5a7aa11bd527 100644
--- a/components/autofill/core/browser/password_autofill_manager.h
+++ b/components/autofill/core/browser/password_autofill_manager.h
@@ -26,10 +26,15 @@ class PasswordAutofillManager {
   explicit PasswordAutofillManager(AutofillDriver* autofill_driver);
   virtual ~PasswordAutofillManager();
 
+  // Previews the password associated with user name |username|. Returns true if
+  // the username and password fields were previewed, false otherwise.
+  bool DidSelectSuggestion(const FormFieldData& field,
+                           const base::string16& username);
+
   // Fills the password associated with user name |username|. Returns true if
   // the username and password fields were filled, false otherwise.
-  bool DidAcceptAutofillSuggestion(const FormFieldData& field,
-                                   const base::string16& username);
+  bool DidAcceptSuggestion(const FormFieldData& field,
+                           const base::string16& username);
 
   // Invoked when a password mapping is added.
   void AddPasswordFormMapping(