Strip cookies from getrealpan request.

Hopefully this addresses the scope errors the server was logging.

BUG=none

Review URL: https://codereview.chromium.org/957603002

Cr-Commit-Position: refs/heads/master@{#318062}

components/autofill/core/browser/wallet/real_pan_wallet_client.cc

@@ -17,6 +17,7 @@
 #include "components/autofill/core/common/autofill_switches.h"
 #include "google_apis/gaia/identity_provider.h"
 #include "net/base/escape.h"
+#include "net/base/load_flags.h"
 #include "net/http/http_status_code.h"
 #include "net/url_request/url_fetcher.h"
 #include "net/url_request/url_request_context_getter.h"
@@ -105,6 +106,8 @@ void RealPanWalletClient::UnmaskCard(
   request_.reset(net::URLFetcher::Create(
       0, GetUnmaskCardRequestUrl(), net::URLFetcher::POST, this));
   request_->SetRequestContext(context_getter_.get());
+  request_->SetLoadFlags(net::LOAD_DO_NOT_SAVE_COOKIES |
+      net::LOAD_DO_NOT_SEND_COOKIES | net::LOAD_DISABLE_CACHE);
 
   base::DictionaryValue request_dict;
   request_dict.SetString("encrypted_cvc", "__param:s7e_13_cvc");

components/autofill/core/browser/wallet/real_pan_wallet_client.h

@@ -76,8 +76,7 @@ class RealPanWalletClient : public net::URLFetcherDelegate,
   // Adds the token to |request_| and starts the request.
   void SetOAuth2TokenAndStartRequest();
 
-  // The context for the request. Ensures the gdToken cookie is set as a header
-  // in the requests to Online Wallet if it is present.
+  // The context for the request.
   scoped_refptr<net::URLRequestContextGetter> context_getter_;
 
   // Observer class that has its various On* methods called based on the results