PaymentApp: Implement PaymentAppProvider for LayoutTest.

components/test_runner/test_runner_for_specific_view.h

 // Copyright 2016 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_TEST_RUNNER_TEST_RUNNER_FOR_SPECIFIC_VIEW_H_
 #define COMPONENTS_TEST_RUNNER_TEST_RUNNER_FOR_SPECIFIC_VIEW_H_
 
 #include <stdint.h>
 
 #include <string>
@@ skipping 102 matching lines @@
   void SetBluetoothManualChooser(bool enable);
 
   // Calls the BluetoothChooser::EventHandler with the arguments here. Valid
   // event strings are:
   //  * "cancel" - simulates the user canceling the chooser.
   //  * "select" - simulates the user selecting a device whose device ID is in
   //               |argument|.
   void SendBluetoothManualChooserEvent(const std::string& event,
                                        const std::string& argument);
 
+  void GetAllPaymentAppIDs(v8::Local<v8::Function> callback);
+  void GetAllPaymentAppIDsCallback(v8::UniquePersistent<v8::Function> callback,
+                                   const std::vector<int64_t>& ids);
+  void InvokePaymentApp(int64_t registration_id);
+
   // Used to set the device scale factor.
   void SetBackingScaleFactor(double value, v8::Local<v8::Function> callback);
 
   // Enable zoom-for-dsf option.
   // TODO(oshima): Remove this once all platforms migrated.
   void EnableUseZoomForDSF(v8::Local<v8::Function> callback);
 
   // Change the device color profile while running a layout test.
   void SetColorProfile(const std::string& name,
                        v8::Local<v8::Function> callback);
@@ skipping 88 matching lines @@
   WebViewTestProxyBase* web_view_test_proxy_base_;
 
   base::WeakPtrFactory<TestRunnerForSpecificView> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(TestRunnerForSpecificView);
 };
 
 }  // namespace test_runner
 
 #endif  // COMPONENTS_TEST_RUNNER_TEST_RUNNER_FOR_SPECIFIC_VIEW_H_