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diff --git a/components/autofill/browser/wallet/encryption_escrow_client.h b/components/autofill/browser/wallet/encryption_escrow_client.h
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+++ b/components/autofill/browser/wallet/encryption_escrow_client.h
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+// 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 COMPONENTS_AUTOFILL_BROWSER_WALLET_ENCRYPTION_ESCROW_CLIENT_H_
+#define COMPONENTS_AUTOFILL_BROWSER_WALLET_ENCRYPTION_ESCROW_CLIENT_H_
+
+#include <string>
+#include <vector>
+
+#include "base/memory/ref_counted.h"
+#include "net/url_request/url_fetcher_delegate.h"
+
+class GURL;
+
+namespace net {
+class URLFetcher;
+class URLRequestContextGetter;
+}
+
+namespace autofill {
+namespace wallet {
+
+class EncryptionEscrowClientObserver;
+class Instrument;
+
+// EncrytionEscrowClient is responsible for making calls to the Online Wallet
+// encryption and escrow backend.
+class EncryptionEscrowClient : public net::URLFetcherDelegate {
+ public:
+  // |observer| must outlive |this|.
+  EncryptionEscrowClient(net::URLRequestContextGetter* context_getter,
+                         EncryptionEscrowClientObserver* observer);
+  virtual ~EncryptionEscrowClient();
+
+  // Sends |one_time_pad|, a vector of cryptographically secure random bytes, to
+  // Online Wallet to be encrypted. These bytes must be generated using
+  // crypto/random.h.
+  void EncryptOneTimePad(const std::vector<uint8>& one_time_pad);
+
+  // Escrows the card verfication number of an existing instrument with Online
+  // Wallet. The escrow is keyed off of |obfuscated_gaia_id|.
+  void EscrowCardVerificationNumber(const std::string& card_verification_number,
+                                    const std::string& obfuscated_gaia_id);
+
+  // Escrows the primary account number and card verfication number of
+  // |new_instrument| with Online Wallet. The escrow is keyed off of
+  // |obfuscated_gaia_id|.
+  void EscrowInstrumentInformation(const Instrument& new_instrument,
+                                   const std::string& obfuscated_gaia_id);
+
+ private:
+  enum RequestType {
+    NO_PENDING_REQUEST,
+    ENCRYPT_ONE_TIME_PAD,
+    ESCROW_INSTRUMENT_INFORMATION,
+    ESCROW_CARD_VERIFICATION_NUMBER,
+  };
+
+  // Posts |post_body| to |url|. When the request is complete, |observer_| is
+  // notified of the result.
+  void MakeRequest(const GURL& url, const std::string& post_body);
+
+  // Performs bookkeeping tasks for any invalid requests.
+  void HandleMalformedResponse(net::URLFetcher* request);
+
+  // net::URLFetcherDelegate:
+  virtual void OnURLFetchComplete(const net::URLFetcher* source) OVERRIDE;
+
+  // The context for the request. Ensures the gdToken cookie is set as a header
+  // in the requests to Online Wallet if it is present.
+  scoped_refptr<net::URLRequestContextGetter> context_getter_;
+
+  // Observer class that has its various On* methods called based on the results
+  // of a request to Online Wallet.
+  EncryptionEscrowClientObserver* const observer_;
+
+  // The current request object.
+  scoped_ptr<net::URLFetcher> request_;
+
+  // The type of the current request. Must be NO_PENDING_REQUEST for a request
+  // to be initiated as only one request may be running at a given time.
+  RequestType request_type_;
+
+  DISALLOW_COPY_AND_ASSIGN(EncryptionEscrowClient);
+};
+
+}  // namespace wallet
+}  // namespace autofill
+
+#endif  // COMPONENTS_AUTOFILL_BROWSER_WALLET_ENCRYPTION_ESCROW_CLIENT_H_