Remove FrameDetached and FrameWillClose listeners from AutofillAgent.

chrome/browser/ui/autofill/chrome_autofill_client.h

Index: chrome/browser/ui/autofill/chrome_autofill_client.h
diff --git a/chrome/browser/ui/autofill/chrome_autofill_client.h b/chrome/browser/ui/autofill/chrome_autofill_client.h
index c0a3be3f55870f58e6b0729f1b185b123a2cf95a..26330005ed95cf6cd51735eebfd5763ccce03fee 100644
--- a/chrome/browser/ui/autofill/chrome_autofill_client.h
+++ b/chrome/browser/ui/autofill/chrome_autofill_client.h
@@ -54,9 +54,10 @@ class ChromeAutofillClient
   void ConfirmSaveCreditCard(const base::Closure& save_card_callback) override;
   bool HasCreditCardScanFeature() override;
   void ScanCreditCard(const CreditCardScanCallback& callback) override;
-  void ShowRequestAutocompleteDialog(const FormData& form,
-                                     const GURL& source_url,
-                                     const ResultCallback& callback) override;
+  void ShowRequestAutocompleteDialog(
+      const FormData& form,
+      content::RenderFrameHost* render_frame_host,
+      const ResultCallback& callback) override;
   void ShowAutofillPopup(
       const gfx::RectF& element_bounds,
       base::i18n::TextDirection text_direction,
@@ -75,6 +76,7 @@ class ChromeAutofillClient
   void OnFirstUserGestureObserved() override;
 
   // content::WebContentsObserver implementation.
+  void RenderFrameDeleted(content::RenderFrameHost* rfh) override;
   void WebContentsDestroyed() override;
 
   // ZoomObserver implementation.
@@ -125,6 +127,9 @@ class ChromeAutofillClient
   AutofillKeystoneBridgeWrapper* bridge_wrapper_;
 #endif  // defined(OS_MACOSX) && !defined(OS_IOS)
 
+  // The last render frame that called requestAutocomplete.
+  content::RenderFrameHost* last_rfh_to_rac_;
+
   CardUnmaskPromptView* card_unmask_view_;
 
   base::WeakPtrFactory<ChromeAutofillClient> weak_pointer_factory_;