WIP Component build of autofill

components/autofill/browser/wallet/wallet_signin_helper.h

Index: components/autofill/browser/wallet/wallet_signin_helper.h
diff --git a/components/autofill/browser/wallet/wallet_signin_helper.h b/components/autofill/browser/wallet/wallet_signin_helper.h
index dffbd7513ec4de0cb7f3890b45b4b8413d8eccae..5817ebe53d18bb0d075aea936d5d3ca3efe60827 100644
--- a/components/autofill/browser/wallet/wallet_signin_helper.h
+++ b/components/autofill/browser/wallet/wallet_signin_helper.h
@@ -9,6 +9,7 @@
 
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
+#include "components/autofill/common/autofill_export.h"
 #include "google_apis/gaia/gaia_auth_consumer.h"
 #include "net/url_request/url_fetcher_delegate.h"
 
@@ -29,8 +30,9 @@ class WalletSigninHelperDelegate;
 // Authenticates the user against the Online Wallet service.
 // This class is not thread-safe.  An instance may be used on any thread, but
 // should not be accessed from multiple threads.
-class WalletSigninHelper : public GaiaAuthConsumer,
-                           public net::URLFetcherDelegate {
+class AUTOFILL_EXPORT WalletSigninHelper
+    : NON_EXPORTED_BASE(public GaiaAuthConsumer),
+      public net::URLFetcherDelegate {
  public:
   // Constructs a helper that works with a given |delegate| and uses
   // a given |getter| to obtain a context for URL and GAIA fetchers.