[refactor] Fix autofill features for payments when the form is inside an OOPIF

components/autofill/content/renderer/autofill_agent.h

Index: components/autofill/content/renderer/autofill_agent.h
diff --git a/components/autofill/content/renderer/autofill_agent.h b/components/autofill/content/renderer/autofill_agent.h
index 698e5c9fc7095503c76b086d4e83ee42a96b3ffd..f5f11ef99dddc27473683ad2acf98ab277a47ab8 100644
--- a/components/autofill/content/renderer/autofill_agent.h
+++ b/components/autofill/content/renderer/autofill_agent.h
@@ -18,7 +18,6 @@
 #include "components/autofill/content/renderer/form_cache.h"
 #include "components/autofill/content/renderer/page_click_listener.h"
 #include "content/public/renderer/render_frame_observer.h"
-#include "content/public/renderer/render_view_observer.h"
 #include "mojo/public/cpp/bindings/binding.h"
 #include "third_party/WebKit/public/web/WebAutofillClient.h"
 #include "third_party/WebKit/public/web/WebFormControlElement.h"
@@ -96,29 +95,6 @@ class AutofillAgent : public content::RenderFrameObserver,
     bool operator()(const FormData& lhs, const FormData& rhs) const;
   };
 
-  // Thunk class for RenderViewObserver methods that haven't yet been migrated
-  // to RenderFrameObserver. Should eventually be removed.
-  // http://crbug.com/433486
-  class LegacyAutofillAgent : public content::RenderViewObserver {
-   public:
-    LegacyAutofillAgent(content::RenderView* render_view, AutofillAgent* agent);
-    ~LegacyAutofillAgent() override;
-
-    // Shuts the LegacyAutofillAgent down on RenderFrame deletion. Safe to call
-    // multiple times.
-    void Shutdown();
-
-   private:
-    // content::RenderViewObserver:
-    void OnDestruct() override;
-    void FocusChangeComplete() override;
-
-    AutofillAgent* agent_;
-
-    DISALLOW_COPY_AND_ASSIGN(LegacyAutofillAgent);
-  };
-  friend class LegacyAutofillAgent;
-
   // Flags passed to ShowSuggestions.
   struct ShowSuggestionsOptions {
     // All fields are default initialized to false.
@@ -155,6 +131,7 @@ class AutofillAgent : public content::RenderFrameObserver,
   void WillSubmitForm(const blink::WebFormElement& form) override;
   void DidChangeScrollOffset() override;
   void FocusedNodeChanged(const blink::WebNode& node) override;
+  void DidCompleteFocusChangeInFrame() override;
   void OnDestruct() override;
 
   // Fires IPC messages for a given form submission. Will always fire
@@ -170,10 +147,6 @@ class AutofillAgent : public content::RenderFrameObserver,
   // times.
   void Shutdown();
 
-  // Pass-through from LegacyAutofillAgent. This correlates with the
-  // RenderViewObserver method.
-  void FocusChangeComplete();
-
   // PageClickListener:
   void FormControlElementClicked(const blink::WebFormControlElement& element,
                                  bool was_focused) override;
@@ -260,9 +233,6 @@ class AutofillAgent : public content::RenderFrameObserver,
   PasswordAutofillAgent* password_autofill_agent_;  // Weak reference.
   PasswordGenerationAgent* password_generation_agent_;  // Weak reference.
 
-  // Passes through RenderViewObserver methods to |this|.
-  LegacyAutofillAgent legacy_;
-
   // The ID of the last request sent for form field Autofill.  Used to ignore
   // out of date responses.
   int autofill_query_id_;