Don't disable extensions immediately if verification is out of date

chrome/browser/extensions/install_signer.h

Index: chrome/browser/extensions/install_signer.h
diff --git a/chrome/browser/extensions/install_signer.h b/chrome/browser/extensions/install_signer.h
index 988f6e65db30fa81454d104e571179033cfe83bc..a6177c4f5cacbee127c2c5b76956c4829dbf0191 100644
--- a/chrome/browser/extensions/install_signer.h
+++ b/chrome/browser/extensions/install_signer.h
@@ -38,6 +38,9 @@ struct InstallSignature {
   // The date that the signature should expire, in YYYY-MM-DD format.
   std::string expire_date;
 
+  // The time this signature was obtained from the server.
+  base::Time timestamp;
+
   InstallSignature();
   ~InstallSignature();
 
@@ -109,6 +112,9 @@ class InstallSigner {
   scoped_ptr<net::URLFetcher> url_fetcher_;
   scoped_ptr<FetcherDelegate> delegate_;
 
+  // The time the request to the server was started.
+  base::Time request_start_time_;
+
   DISALLOW_COPY_AND_ASSIGN(InstallSigner);
 };