Implements SendAutocheckoutStatus API calls for stats tracking.

chrome/browser/ui/autofill/autofill_dialog_controller_impl.cc

Index: chrome/browser/ui/autofill/autofill_dialog_controller_impl.cc
diff --git a/chrome/browser/ui/autofill/autofill_dialog_controller_impl.cc b/chrome/browser/ui/autofill/autofill_dialog_controller_impl.cc
index 8f3896917bf10ee866f383523c2622d5ab36a918..6f80648ab99681ac19ad5cd6bea0867f8d58d645 100644
--- a/chrome/browser/ui/autofill/autofill_dialog_controller_impl.cc
+++ b/chrome/browser/ui/autofill/autofill_dialog_controller_impl.cc
@@ -225,7 +225,8 @@ AutofillDialogControllerImpl::AutofillDialogControllerImpl(
     const GURL& source_url,
     const AutofillMetrics& metric_logger,
     DialogType dialog_type,
-    const base::Callback<void(const FormStructure*)>& callback)
+    const base::Callback<void(const FormStructure*,
+                              const std::string&)>& callback)
     : profile_(Profile::FromBrowserContext(contents->GetBrowserContext())),
       contents_(contents),
       form_structure_(form, std::string()),
@@ -299,7 +300,7 @@ void AutofillDialogControllerImpl::Show() {
                                                             &has_sections);
   // Fail if the author didn't specify autocomplete types.
   if (!has_types) {
-    callback_.Run(NULL);
+    callback_.Run(NULL, std::string());
     delete this;
     return;
   }
@@ -1003,8 +1004,9 @@ void AutofillDialogControllerImpl::OnCancel() {
   // submitted to start the flow and then cancelled to close the dialog after
   // the error.
   if (!callback_.is_null()) {
-    callback_.Run(NULL);
-    callback_ = base::Callback<void(const FormStructure*)>();
+    callback_.Run(NULL, std::string());
+    callback_ = base::Callback<void(const FormStructure*,
+                                    const std::string&)>();
   }
 }
 
@@ -1714,8 +1716,11 @@ void AutofillDialogControllerImpl::FinishSubmit() {
   } else {
     FillOutputForSection(SECTION_SHIPPING);
   }
-  callback_.Run(&form_structure_);
-  callback_ = base::Callback<void(const FormStructure*)>();
+  if (wallet_items_)
+    callback_.Run(&form_structure_, wallet_items_->google_transaction_id());
+  else
+    callback_.Run(&form_structure_, std::string());
+  callback_ = base::Callback<void(const FormStructure*, const std::string&)>();
 
   if (dialog_type_ == DIALOG_TYPE_REQUEST_AUTOCOMPLETE) {
     // This may delete us.