Implements SendAutocheckoutStatus API calls for stats tracking.

components/autofill/browser/autocheckout_manager.h

Index: components/autofill/browser/autocheckout_manager.h
diff --git a/components/autofill/browser/autocheckout_manager.h b/components/autofill/browser/autocheckout_manager.h
index 57a58e8feae07f9427e6181249b5e6cd3e526073..0d4672af56a6af46eeb1a0b5093997a6891e1f95 100644
--- a/components/autofill/browser/autocheckout_manager.h
+++ b/components/autofill/browser/autocheckout_manager.h
@@ -11,6 +11,7 @@
 #include "base/memory/weak_ptr.h"
 #include "base/string16.h"
 #include "components/autofill/browser/autocheckout_page_meta_data.h"
+#include "components/autofill/common/autocheckout_status.h"
 #include "ui/gfx/native_widget_types.h"
 
 class AutofillField;
@@ -42,6 +43,10 @@ class AutocheckoutManager {
   // gathered from the requestAutocomplete dialog.
   void FillForms();
 
+  // Called when clicking a proceed element in an Autocheckout flow fails.
+  // |status| is the reason for the failure.
+  void OnClickFailed(AutocheckoutStatus status);
+
   // Sets |page_meta_data_| with the meta data for the current page.
   void OnLoadedPageMetaData(
       scoped_ptr<AutocheckoutPageMetaData> page_meta_data);
@@ -84,7 +89,8 @@ class AutocheckoutManager {
   bool IsInAutofillableFlow() const;
 
   // Callback called from AutofillDialogController on filling up the UI form.
-  void ReturnAutocheckoutData(const FormStructure* result);
+  void ReturnAutocheckoutData(const FormStructure* result,
+                              const std::string& google_transaction_id);
 
   // Sets value of form field data |field_to_fill| based on the Autofill
   // field type specified by |field|.
@@ -115,6 +121,8 @@ class AutocheckoutManager {
   // Whether or not the user is in an Autocheckout flow.
   bool in_autocheckout_flow_;
 
+  std::string google_transaction_id_;
+
   base::WeakPtrFactory<AutocheckoutManager> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(AutocheckoutManager);