Removed unused methods from |FieldCandidates|.

Bug: 1007974
Change-Id: I248c8f76fb5f3ade6dfdde8f1c957d3f4708f45a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1827404
Commit-Queue: Matthias Körber <koerber@google.com>
Commit-Queue: Vadym Doroshenko <dvadym@chromium.org>
Reviewed-by: Vadym Doroshenko <dvadym@chromium.org>
Cr-Commit-Position: refs/heads/master@{#700268}

components/autofill/core/browser/form_parsing/field_candidates.cc

@@ -45,8 +45,4 @@ ServerFieldType FieldCandidates::BestHeuristicType() const {
   return static_cast<ServerFieldType>(index);
 }
 
-const std::vector<FieldCandidate>& FieldCandidates::field_candidates() const {
-  return field_candidates_;
-}
-
 }  // namespace autofill

components/autofill/core/browser/form_parsing/field_candidates.h

@@ -44,11 +44,6 @@ class FieldCandidates {
   // Determines the best type based on the current possible types.
   ServerFieldType BestHeuristicType() const;
 
-  // Returns the underlying candidates.
-  //
-  // This reference is only valid while the FieldCandidates object is valid.
-  const std::vector<FieldCandidate>& field_candidates() const;
-
  private:
   // Internal storage for all the possible types for a given field.
   std::vector<FieldCandidate> field_candidates_;