Create an autofill Suggestion class

components/autofill/core/browser/suggestion.h

+// Copyright 2014 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.
+
+#ifndef COMPONENTS_AUTOFILL_CORE_BROWSER_SUGGESTION_H_
+#define COMPONENTS_AUTOFILL_CORE_BROWSER_SUGGESTION_H_
+
+#include <string>
+
+#include "base/strings/string16.h"
+
+namespace autofill {
+
+// Represents a single FormGroup and a specific data variant. This is assigned
+// by the storage layer to uniquely identify the profile this came from.
+struct SuggestionBackendID {
+  SuggestionBackendID();
+  SuggestionBackendID(const std::string& guid, size_t variant);
+  ~SuggestionBackendID();
+
+  std::string guid;
+  size_t variant;
+
+  // For using as a key in a map.
+  bool operator<(const SuggestionBackendID& other) const;
+};
+
+struct Suggestion {
+  Suggestion();
+  explicit Suggestion(const base::string16& value);
+
+  // Constructor for unit tests. It will convert the strings from UTF-8 to
+  // UTF-16.
+  Suggestion(const std::string& value,
+             const std::string& label,
+             const std::string& icon,
+             int frontend_id);
+
+  ~Suggestion();
+
+  // ID generated by the backend layer. This identifies the exact autofill
+  // profile that generated this suggestion.
+  SuggestionBackendID backend_id;
+
+  // ID for the frontend to use in identifying the particular result. Positive
+  // values are sent over IPC to identify the item selected. Negative values
+  // (see popup_item_ids.h) have special built-in meanings. Default initialized
+  // to 0.
+  int frontend_id;
+
+  base::string16 value;

[Evan Stade, 2014/12/10 23:11:14]

can we take this opportunity to call this something better than "value"? Like
"label", "sublabel", "icon"

+  base::string16 label;
+  base::string16 icon;
+
+  bool is_masked;
+};
+
+}  // namespace autofill
+
+#endif  // COMPONENTS_AUTOFILL_CORE_BROWSER_SUGGESTION_H_