Introduce networking.cast API

chrome/browser/extensions/api/networking_cast_private/chrome_networking_cast_private_delegate.h

Index: chrome/browser/extensions/api/networking_cast_private/chrome_networking_cast_private_delegate.h
diff --git a/chrome/browser/extensions/api/networking_cast_private/chrome_networking_cast_private_delegate.h b/chrome/browser/extensions/api/networking_cast_private/chrome_networking_cast_private_delegate.h
new file mode 100644
index 0000000000000000000000000000000000000000..618e4ca0959e475172045adb18cfbc71ac63d248
--- /dev/null
+++ b/chrome/browser/extensions/api/networking_cast_private/chrome_networking_cast_private_delegate.h
@@ -0,0 +1,66 @@
+// Copyright 2017 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 CHROME_BROWSER_EXTENSIONS_API_NETWORKING_CAST_PRIVATE_CHROME_NETWORKING_CAST_PRIVATE_DELEGATE_H_
+#define CHROME_BROWSER_EXTENSIONS_API_NETWORKING_CAST_PRIVATE_CHROME_NETWORKING_CAST_PRIVATE_DELEGATE_H_
+
+#include <memory>
+#include <string>
+
+#include "base/callback.h"
+#include "base/macros.h"
+#include "extensions/browser/api/networking_private/networking_cast_private_delegate.h"
+#include "extensions/browser/api/networking_private/networking_private_delegate.h"
+
+namespace extensions {
+
+// Chrome implementation of extensions::NetworkingCastPrivateDelegate.
+class ChromeNetworkingCastPrivateDelegate
+    : public NetworkingCastPrivateDelegate {
+ public:
+  using FactoryCallback =
+      base::Callback<std::unique_ptr<ChromeNetworkingCastPrivateDelegate>()>;
+  static void SetFactoryCallbackForTest(FactoryCallback* factory_callback);
+
+  static std::unique_ptr<ChromeNetworkingCastPrivateDelegate> Create();
+
+  ~ChromeNetworkingCastPrivateDelegate() override;
+
+  // NetworkingCastPrivateDelegate overrides:
+  void VerifyDestination(
+      const api::networking_private::VerificationProperties& properties,
+      const VerifiedCallback& success_callback,
+      const FailureCallback& failure_callback) override;
+  void VerifyAndEncryptCredentials(
+      const std::string& guid,
+      const api::networking_private::VerificationProperties& properties,
+      const DataCallback& success_callback,
+      const FailureCallback& failure_callback) override;
+  void VerifyAndEncryptData(
+      const std::string& data,
+      const api::networking_private::VerificationProperties& properties,
+      const DataCallback& success_callback,
+      const FailureCallback& failure_callback) override;
+
+ private:
+  // Friend the test so it can inject stub VerifyDelegate implementation.
+  // TODO(tbarzic): Remove this when NetworkingCastPrivateDelegate stops
+  // depending on
+  //     NetworkingPrivateDelegate::VerifyDelegate.
+  friend class NetworkingCastPrivateApiTest;
+
+  explicit ChromeNetworkingCastPrivateDelegate(
+      std::unique_ptr<NetworkingPrivateDelegate::VerifyDelegate>
+          verify_delegate);
+
+  // NetworkingPrivates API's crypto utility to which verification requests
+  // will be routed.
+  std::unique_ptr<NetworkingPrivateDelegate::VerifyDelegate> crypto_verify_;
+
+  DISALLOW_COPY_AND_ASSIGN(ChromeNetworkingCastPrivateDelegate);
+};
+
+}  // namespace extensions
+
+#endif  // CHROME_BROWSER_EXTENSIONS_API_NETWORKING_CAST_PRIVATE_CHROME_NETWORKING_CAST_PRIVATE_DELEGATE_H_