Allow deleting autofill password suggestions on Shift+Delete

components/autofill/content/renderer/password_autofill_agent.h

Index: components/autofill/content/renderer/password_autofill_agent.h
diff --git a/components/autofill/content/renderer/password_autofill_agent.h b/components/autofill/content/renderer/password_autofill_agent.h
index 17ae4831fe58a5aec23fe2598aa329f18ea330f7..dd04a600d8bcd2010198e1829cde04d4fce798b9 100644
--- a/components/autofill/content/renderer/password_autofill_agent.h
+++ b/components/autofill/content/renderer/password_autofill_agent.h
@@ -124,6 +124,7 @@ class PasswordAutofillAgent : public content::RenderViewObserver {
 
   // RenderView IPC handlers:
   void OnFillPasswordForm(const PasswordFormFillData& form_data);
+  void OnRemovePasswordSuggestion(const base::string16& username_to_remove);
 
   // Scans the given frame for password forms and sends them up to the browser.
   // If |only_visible| is true, only forms visible in the layout are sent.
@@ -183,6 +184,9 @@ class PasswordAutofillAgent : public content::RenderViewObserver {
   // Pointer to the WebView. Used to access page scale factor.
   blink::WebView* web_view_;
 
+  // Currently selected form
+  blink::WebFormElement current_form_;
+
   // Set if the user might be submitting a password form on the current page,
   // but the submit may still fail (i.e. doesn't pass JavaScript validation).
   FrameToPasswordFormMap provisionally_saved_forms_;