Add a mode to OAuth2MintTokenFlow that fetches the messages to show to the user.

chrome/browser/extensions/api/identity/identity_api.cc

Index: chrome/browser/extensions/api/identity/identity_api.cc
===================================================================
--- chrome/browser/extensions/api/identity/identity_api.cc	(revision 130985)
+++ chrome/browser/extensions/api/identity/identity_api.cc	(working copy)
@@ -44,9 +44,16 @@
   TokenService* token_service = TokenServiceFactory::GetForProfile(profile());
 
   flow_.reset(
-      new OAuth2MintTokenFlow(profile()->GetRequestContext(), this));
-  flow_->Start(token_service->GetOAuth2LoginRefreshToken(),
-               extension->id(), oauth2_info.client_id, oauth2_info.scopes);
+      new OAuth2MintTokenFlow(

[asargent_no_longer_on_chrome, 2012/04/10 22:47:25]

nit: this could go on the preceding line just after "reset(" 

(otherwise, the lines underneath this one would need to increase their indent
level)

[Munjal (Google), 2012/04/10 23:15:35]

Done.

+      profile()->GetRequestContext(),
+      this,
+      OAuth2MintTokenFlow::Parameters(
+          token_service->GetOAuth2LoginRefreshToken(),
+          extension->id(),
+          oauth2_info.client_id,
+          oauth2_info.scopes,
+          OAuth2MintTokenFlow::MODE_MINT_TOKEN_FORCE)));
+  flow_->Start();
 
   return true;
 }