[Autofill] Implement Credit Card Signin Promo

components/autofill/core/browser/test_autofill_client.h

 // Copyright 2014 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 COMPONENTS_AUTOFILL_CORE_BROWSER_TEST_AUTOFILL_CLIENT_H_
 #define COMPONENTS_AUTOFILL_CORE_BROWSER_TEST_AUTOFILL_CLIENT_H_
 
 #include <memory>
 #include <utility>
 
@@ skipping 46 matching lines @@
       const std::vector<base::string16>& labels) override;
   void HideAutofillPopup() override;
   bool IsAutocompleteEnabled() override;
   void PropagateAutofillPredictions(
       content::RenderFrameHost* rfh,
       const std::vector<autofill::FormStructure*>& forms) override;
   void DidFillOrPreviewField(const base::string16& autofilled_value,
                              const base::string16& profile_full_name) override;
   void OnFirstUserGestureObserved() override;
   bool IsContextSecure(const GURL& form_origin) override;
+  bool ShouldShowSigninPromo() override;
+  void StartSigninFlow() override;
 
   void set_is_context_secure(bool is_context_secure) {
     is_context_secure_ = is_context_secure;
   };
 
   void SetPrefs(std::unique_ptr<PrefService> prefs) {
     prefs_ = std::move(prefs);
   }
 
   rappor::TestRapporService* test_rappor_service() {
     return rappor_service_.get();
   }
 
  private:
   // NULL by default.
   std::unique_ptr<PrefService> prefs_;
   std::unique_ptr<FakeOAuth2TokenService> token_service_;
   std::unique_ptr<FakeIdentityProvider> identity_provider_;
   std::unique_ptr<rappor::TestRapporService> rappor_service_;
 
   bool is_context_secure_;
 
   DISALLOW_COPY_AND_ASSIGN(TestAutofillClient);
 };
 
 }  // namespace autofill
 
 #endif  // COMPONENTS_AUTOFILL_CORE_BROWSER_TEST_AUTOFILL_CLIENT_H_