Pop up requestAutocomplete UI when autofill server hints chrome client that it is in a multipage au…

chrome/browser/autofill/autofill_manager.cc

Index: chrome/browser/autofill/autofill_manager.cc
diff --git a/chrome/browser/autofill/autofill_manager.cc b/chrome/browser/autofill/autofill_manager.cc
index 4bba52b11c8e1af5f42633f5bb9ab7d10c2b1047..4001225881ed9a47c7eea754dbc659048c1adaa9 100644
--- a/chrome/browser/autofill/autofill_manager.cc
+++ b/chrome/browser/autofill/autofill_manager.cc
@@ -39,6 +39,7 @@
 #include "chrome/browser/autofill/personal_data_manager_factory.h"
 #include "chrome/browser/autofill/phone_number.h"
 #include "chrome/browser/autofill/phone_number_i18n.h"
+#include "chrome/browser/autofill/autofill_flow_infobar_delegate.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/ui/autofill/autofill_dialog_controller.h"
 #include "chrome/common/autofill_messages.h"
@@ -575,6 +576,17 @@ void AutofillManager::OnQueryFormFieldAutofill(int query_id,
         }
       }
     }
+
+    // If form is known to be at the start of the autofillable flow (i.e, when
+    // Autofill server said so), then trigger payments UI while also returning
+    // standard autofill suggestions to renderer process.
+    if (form_structure->IsStartOfAutofillableFlow()) {
+      AutofillFlowInfoBarDelegate::Create(
+          manager_delegate_->GetInfoBarService(),
+          this, metric_logger_.get(),
+          form.origin,
+          form.ssl_status);
+    }
   }
 
   // Add the results from AutoComplete.  They come back asynchronously, so we
@@ -749,6 +761,20 @@ void AutofillManager::RemoveAutocompleteEntry(const string16& name,
   autocomplete_history_manager_.OnRemoveAutocompleteEntry(name, value);
 }
 
+void AutofillManager::ShowAutofillFlowDialog(
+    const FormData& form, const GURL& frame_url,
+    const content::SSLStatus& ssl_status) {
+  base::Callback<void(const FormStructure*)> callback =
+      base::Bind(&AutofillManager::ReturnAutofillFlowData, this);
+  autofill::AutofillDialogController* controller =
+      new autofill::AutofillDialogController(web_contents(),
+                                             form,
+                                             frame_url,
+                                             ssl_status,
+                                             callback);
+  controller->Show();
+}
+
 void AutofillManager::OnAddPasswordFormMapping(
       const FormFieldData& form,
       const PasswordFormFillData& fill_data) {
@@ -804,6 +830,10 @@ void AutofillManager::ReturnAutocompleteError() {
   host->Send(new AutofillMsg_RequestAutocompleteError(host->GetRoutingID()));
 }
 
+void AutofillManager::ReturnAutofillFlowData(const FormStructure* result) {
+  // TODO(ramankk): Parse the response FormStructure.
+}
+
 void AutofillManager::ReturnAutocompleteData(const FormStructure* result) {
   // web_contents() will be NULL when the interactive autocomplete is closed due
   // to a tab or browser window closing.