Autocheckout: Manually revert r208999

components/autofill/content/browser/autocheckout_manager.h

Index: components/autofill/content/browser/autocheckout_manager.h
diff --git a/components/autofill/content/browser/autocheckout_manager.h b/components/autofill/content/browser/autocheckout_manager.h
index b265d8e2ec4f68b7726618fde685e492ea362126..e3be6610ebbfc430810ab99acfaca8e174c49ebd 100644
--- a/components/autofill/content/browser/autocheckout_manager.h
+++ b/components/autofill/content/browser/autocheckout_manager.h
@@ -12,9 +12,7 @@
 #include "base/memory/weak_ptr.h"
 #include "base/strings/string16.h"
 #include "base/threading/thread_checker.h"
-#include "base/time/time.h"
 #include "components/autofill/content/browser/autocheckout_page_meta_data.h"
-#include "components/autofill/content/browser/autocheckout_statistic.h"
 #include "components/autofill/core/browser/autocheckout_bubble_state.h"
 #include "components/autofill/core/common/autocheckout_status.h"
 
@@ -128,10 +126,6 @@ class AutocheckoutManager {
   // Sets the progress of all steps for the given page to the provided value.
   void SetStepProgressForPage(int page_number, AutocheckoutStepStatus status);
 
-  // Account time spent between now and |last_step_completion_timestamp_|
-  // towards |page_number|.
-  void RecordTimeTaken(int page_number);
-
   // Terminate the Autocheckout flow and send Autocheckout status to Wallet
   // server.
   void EndAutocheckout(AutocheckoutStatus status);
@@ -171,12 +165,6 @@ class AutocheckoutManager {
   // AutocheckoutStepTypes for the various pages of the flow.
   std::map<int, std::vector<AutocheckoutStepType> > page_types_;
 
-  // Timestamp of last step's completion.
-  base::TimeTicks last_step_completion_timestamp_;
-
-  // Per page latency statistics.
-  std::vector<AutocheckoutStatistic> latency_statistics_;
-
   std::string google_transaction_id_;
 
   base::WeakPtrFactory<AutocheckoutManager> weak_ptr_factory_;