Expanding signin histogram coverage.

chrome/browser/ui/sync/one_click_signin_helper.h

Index: chrome/browser/ui/sync/one_click_signin_helper.h
diff --git a/chrome/browser/ui/sync/one_click_signin_helper.h b/chrome/browser/ui/sync/one_click_signin_helper.h
index fab944358cab36bdf1c0723ea02f8d19bafc270d..15faaf47f579b8e86990a4fc5369cc582d7e3172 100644
--- a/chrome/browser/ui/sync/one_click_signin_helper.h
+++ b/chrome/browser/ui/sync/one_click_signin_helper.h
@@ -195,6 +195,11 @@ class OneClickSigninHelper
   // ProfileSyncServiceObserver.
   virtual void OnStateChanged() OVERRIDE;
 
+  // Tracks if we are in the process of showing the signin or one click
+  // interstitial page. It's set to true the first time we load one of those
+  // pages and set to false when transient state is cleaned.
+  bool showing_signin_;
+
   // Information about the account that has just logged in.
   std::string session_index_;
   std::string email_;