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

chrome/browser/autofill/form_structure.h

Index: chrome/browser/autofill/form_structure.h
diff --git a/chrome/browser/autofill/form_structure.h b/chrome/browser/autofill/form_structure.h
index 45cf2bbcc365e51c6ed7d834dd741a4181d81d3c..2b47756a0d936fad7e196883a6e7fd42822e1b0e 100644
--- a/chrome/browser/autofill/form_structure.h
+++ b/chrome/browser/autofill/form_structure.h
@@ -124,6 +124,14 @@ class FormStructure {
   void ParseFieldTypesFromAutocompleteAttributes(bool* found_types,
                                                  bool* found_sections);
 
+  // Returns true if the autofill server says that the current page is start of
+  // the autofillable flow.
+  bool IsStartOfAutofillableFlow() const;
+
+  // Returns true if the autofill server says that the current page is in the
+  // autofillable flow.
+  bool IsInAutofillableFlow() const;
+
   const AutofillField* field(size_t index) const;
   AutofillField* field(size_t index);
   size_t field_count() const;
@@ -208,6 +216,14 @@ class FormStructure {
   // GET or POST.
   RequestMethod method_;
 
+  // Page number of the autofill flow this form belongs to (zero-indexed).
+  // If this form doesn't belong to any autofill flow, it is set to -1.
+  int current_page_number_;
+
+  // Total number of pages in the autofill flow. If this form doesn't belong
+  // to any autofill flow, it is set to -1.
+  int total_pages_;
+
   // Whether the form includes any field types explicitly specified by the site
   // author, via the |autocompletetype| attribute.
   bool has_author_specified_types_;