Pass time since profile was loaded and request count on each ListAccount request to Gaia.

google_apis/gaia/gaia_auth_fetcher.h

Index: google_apis/gaia/gaia_auth_fetcher.h
diff --git a/google_apis/gaia/gaia_auth_fetcher.h b/google_apis/gaia/gaia_auth_fetcher.h
index c6f0981df0c4e8647812d292014f2370d8a2fc59..5dc4e07d10e780e38d70bbb45f3341b6a197bd4f 100644
--- a/google_apis/gaia/gaia_auth_fetcher.h
+++ b/google_apis/gaia/gaia_auth_fetcher.h
@@ -11,6 +11,7 @@
 
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
+#include "base/time/time.h"
 #include "google_apis/gaia/gaia_auth_consumer.h"
 #include "google_apis/gaia/google_service_auth_error.h"
 #include "net/url_request/url_fetcher_delegate.h"
@@ -185,7 +186,13 @@ class GaiaAuthFetcher : public net::URLFetcherDelegate {
                        const std::string& service);
 
   // Starts a request to list the accounts in the GAIA cookie.
-  void StartListAccounts();
+  //
+  // |profile_load_time| is the origin time used to report to Gaia the time
+  // passed between the moment the profile was loaded and the moment this list
+  // accounts requests is started. This information is required in order to
+  // debug channel ID mismatches observed on the server related to requests
+  // from Chrome (see http://crbug.com/633256).
+  void StartListAccounts(const base::Time& profile_load_time);
 
   // Starts a request to log out the accounts in the GAIA cookie.
   void StartLogOut();