Adds wallet::RequiredAction for when we start interacting with Online Wallet.

chrome/browser/autofill/wallet/required_action.h

Index: chrome/browser/autofill/wallet/required_action.h
diff --git a/chrome/browser/autofill/wallet/required_action.h b/chrome/browser/autofill/wallet/required_action.h
new file mode 100644
index 0000000000000000000000000000000000000000..7a201f600e47b1b3f2b29829a6e4585825b3ace1
--- /dev/null
+++ b/chrome/browser/autofill/wallet/required_action.h
@@ -0,0 +1,59 @@
+// Copyright (c) 2012 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_AUTOFILL_WALLET_REQUIRED_ACTION_H_
+#define CHROME_BROWSER_AUTOFILL_WALLET_REQUIRED_ACTION_H_
+
+#include <string>
+
+namespace wallet {
+
+class RequiredAction {
+ public:
+  // Matches wallet proto values.
+  enum ActionType {
+    UNKNOWN_TYPE = 0,  // Catch all type, not in proto.
+    SETUP_WALLET = 1,
+    ACCEPT_TOS = 2,
+    GAIA_AUTH = 4,
+    UPDATE_EXPIRATION_DATE = 7,
+    UPGRADE_MIN_ADDRESS = 8,
+    INVALID_FORM_FIELD = 11,
+    CVC_RISK_CHALLENGE = 12,
+  };
+
+  RequiredAction();
+  explicit RequiredAction(ActionType action_type);
+  virtual ~RequiredAction();
+
+  // Static helper functions to determine if an ActionType applies to either a
+  // FullWallet or WalletItems.
+  static bool AppliesToFullWallet(ActionType action_type);
+  static bool AppliesToWalletItems(ActionType action_type);
+
+  // Turn a string value of the parsed JSON response into an ActionType.
+  static ActionType ParseFromString(const std::string& str);
+
+  ActionType action_type() const { return action_type_; }
+  void set_action_type(ActionType action_type) { action_type_ = action_type; }
+
+  // Helper functions to determine if this RequiredAction instance applies to
+  // either a FullWallet or WalletItems.
+  bool AppliesToFullWallet() const;
+  bool AppliesToWalletItems() const;
+
+  // Whether |action_type_| is a known type.
+  bool IsKnownType() const;
+
+  // Whether this RequiredAction is equivalent to another.
+  bool operator==(const RequiredAction& action) const;
+
+ private:
+  ActionType action_type_;
+  // Type intentionally copyable.
+};
+
+}  // namespace wallet
+
+#endif  // CHROME_BROWSER_AUTOFILL_WALLET_REQUIRED_ACTION_H_