Add OAuth2 token to RealPanRequest.

components/autofill/core/browser/autofill_client.h

Index: components/autofill/core/browser/autofill_client.h
diff --git a/components/autofill/core/browser/autofill_client.h b/components/autofill/core/browser/autofill_client.h
index 6096d0130f0077e26c550214260c50d2b0ce7329..534aa68f9bfa00be757e0468cdbbc571312ba245 100644
--- a/components/autofill/core/browser/autofill_client.h
+++ b/components/autofill/core/browser/autofill_client.h
@@ -13,6 +13,8 @@
 #include "base/strings/string16.h"
 #include "ui/base/window_open_disposition.h"
 
+class IdentityProvider;
+
 namespace content {
 class RenderFrameHost;
 }
@@ -72,6 +74,9 @@ class AutofillClient {
   // Gets the preferences associated with the client.
   virtual PrefService* GetPrefs() = 0;
 
+  // Gets the IdentityProvider associated with the client (for OAuth2).
+  virtual IdentityProvider* GetIdentityProvider() = 0;
+
   // Hides the associated request autocomplete dialog (if it exists).
   virtual void HideRequestAutocompleteDialog() = 0;