Remove ScopedVector from autofill.

components/autofill/core/browser/autofill_scanner.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/autofill/core/browser/autofill_scanner.h"
 
 #include "base/logging.h"
 #include "components/autofill/core/browser/autofill_field.h"
 
 namespace autofill {
 
-AutofillScanner::AutofillScanner(const std::vector<AutofillField*>& fields)
-    : cursor_(fields.begin()),
-      saved_cursor_(fields.begin()),
-      begin_(fields.begin()),
-      end_(fields.end()) {
+AutofillScanner::AutofillScanner(const std::vector<AutofillField*>& fields) {
+  Init(fields);
+}
+
+AutofillScanner::AutofillScanner(
+    const std::vector<std::unique_ptr<AutofillField>>& fields) {
+  for (const auto& field : fields)
+    non_owning_.push_back(field.get());
+
+  Init(non_owning_);
 }
 
 AutofillScanner::~AutofillScanner() {
 }
 
 void AutofillScanner::Advance() {
   DCHECK(!IsEnd());
   ++cursor_;
 }
 
 AutofillField* AutofillScanner::Cursor() const {
   if (IsEnd()) {
     NOTREACHED();
-    return NULL;
+    return nullptr;
   }
 
   return *cursor_;
 }
 
 bool AutofillScanner::IsEnd() const {
   return cursor_ == end_;
 }
 
 void AutofillScanner::Rewind() {
   DCHECK(saved_cursor_ != end_);
   cursor_ = saved_cursor_;
   saved_cursor_ = end_;
 }
 
 void AutofillScanner::RewindTo(size_t index) {
   DCHECK(index < static_cast<size_t>(end_ - begin_));
   cursor_ = begin_ + index;
   saved_cursor_ = end_;
 }
 
 size_t AutofillScanner::SaveCursor() {
   saved_cursor_ = cursor_;
   return static_cast<size_t>(cursor_ - begin_);
 }
 
+void AutofillScanner::Init(const std::vector<AutofillField*>& fields) {
+  cursor_ = fields.begin();
+  saved_cursor_ = fields.begin();
+  begin_ = fields.begin();
+  end_ = fields.end();
+}
+
 }  // namespace autofill