Identity API: Add token cache and identity.invalidateAuthToken.

google_apis/gaia/oauth2_mint_token_flow.h

Index: google_apis/gaia/oauth2_mint_token_flow.h
diff --git a/google_apis/gaia/oauth2_mint_token_flow.h b/google_apis/gaia/oauth2_mint_token_flow.h
index 40850b4d1efaff12ec74aa09d0b3f2ac93af2ed4..e2824e6cab01465988001a142af058cf61d9864c 100644
--- a/google_apis/gaia/oauth2_mint_token_flow.h
+++ b/google_apis/gaia/oauth2_mint_token_flow.h
@@ -90,7 +90,8 @@ class OAuth2MintTokenFlow : public OAuth2ApiCallFlow {
 
   class Delegate {
    public:
-    virtual void OnMintTokenSuccess(const std::string& access_token) {}
+    virtual void OnMintTokenSuccess(const std::string& access_token,
+                                    int time_to_live) {}
     virtual void OnIssueAdviceSuccess(const IssueAdviceInfo& issue_advice)  {}
     virtual void OnMintTokenFailure(const GoogleServiceAuthError& error) {}
 
@@ -126,14 +127,15 @@ class OAuth2MintTokenFlow : public OAuth2ApiCallFlow {
   FRIEND_TEST_ALL_PREFIXES(OAuth2MintTokenFlowTest,
       ProcessMintAccessTokenFailure);
 
-  void ReportSuccess(const std::string& access_token);
+  void ReportSuccess(const std::string& access_token, int time_to_live);
   void ReportIssueAdviceSuccess(const IssueAdviceInfo& issue_advice);
   void ReportFailure(const GoogleServiceAuthError& error);
 
   static bool ParseIssueAdviceResponse(
       const base::DictionaryValue* dict, IssueAdviceInfo* issue_advice);
   static bool ParseMintTokenResponse(
-      const base::DictionaryValue* dict, std::string* access_token);
+      const base::DictionaryValue* dict, std::string* access_token,
+      int* time_to_live);
 
   Delegate* delegate_;
   Parameters parameters_;