Upstream Chrome on iOS source code [1/11].

ios/chrome/browser/autofill/autofill_agent.h

+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+#ifndef IOS_CHROME_BROWSER_AUTOFILL_AUTOFILL_AGENT_H_
+#define IOS_CHROME_BROWSER_AUTOFILL_AUTOFILL_AGENT_H_
+
+#import <Foundation/Foundation.h>
+#include <vector>
+
+#include "base/memory/weak_ptr.h"
+#include "components/autofill/core/browser/autofill_metrics.h"
+#import "ios/chrome/browser/autofill/form_suggestion_provider.h"
+#import "ios/web/public/web_state/web_state_observer_bridge.h"
+
+namespace autofill {
+class AutofillPopupDelegate;
+struct FormData;
+class FormStructure;
+}
+
+namespace ios {
+class ChromeBrowserState;
+}
+
+namespace web {
+class WebState;
+}
+
+// Handles autofill form suggestions. Reads forms from the page, sends them to
+// AutofillManager for metrics and to retrieve suggestions, and fills forms in
+// response to user interaction with suggestions. This is the iOS counterpart
+// to the upstream class autofill::AutofillAgent.
+@interface AutofillAgent : NSObject<FormSuggestionProvider>
+
+@property(nonatomic, readonly) ios::ChromeBrowserState* browserState;
+
+// Designated initializer. Arguments |browserState| and |webState| should not be
+// null.
+- (instancetype)initWithBrowserState:(ios::ChromeBrowserState*)browserState
+                            webState:(web::WebState*)webState
+    NS_DESIGNATED_INITIALIZER;
+
+- (instancetype)init NS_UNAVAILABLE;
+
+// Callback by AutofillController when suggestions are ready.
+- (void)onSuggestionsReady:(NSArray*)suggestions
+             popupDelegate:
+                 (const base::WeakPtr<autofill::AutofillPopupDelegate>&)
+                     delegate;
+
+// The supplied data should be filled into the form.
+- (void)onFormDataFilled:(const autofill::FormData&)result;
+
+// Detatches from the web state.
+- (void)detachFromWebState;
+
+// Renders the field type predictions specified in |forms|. This method is a
+// no-op if the relevant experiment is not enabled.
+- (void)renderAutofillTypePredictions:
+    (const std::vector<autofill::FormStructure*>&)forms;
+
+@end
+
+#endif  // IOS_CHROME_BROWSER_AUTOFILL_AUTOFILL_AGENT_H_