Componentize AutocompleteController and its supporting cast

chrome/browser/autocomplete/builtin_provider.h

-// Copyright (c) 2012 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 CHROME_BROWSER_AUTOCOMPLETE_BUILTIN_PROVIDER_H_
-#define CHROME_BROWSER_AUTOCOMPLETE_BUILTIN_PROVIDER_H_
-
-#include <vector>
-
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "base/strings/string16.h"
-#include "components/omnibox/autocomplete_match.h"
-#include "components/omnibox/autocomplete_provider.h"
-
-class AutocompleteProviderClient;
-
-// This is the provider for built-in URLs, such as about:settings and
-// chrome://version.
-class BuiltinProvider : public AutocompleteProvider {
- public:
-  explicit BuiltinProvider(AutocompleteProviderClient* client);
-
-  // AutocompleteProvider:
-  void Start(const AutocompleteInput& input, bool minimal_changes) override;
-
- private:
-  ~BuiltinProvider() override;
-
-  typedef std::vector<base::string16> Builtins;
-
-  static const int kRelevance;
-
-  void AddMatch(const base::string16& match_string,
-                const base::string16& inline_completion,
-                const ACMatchClassifications& styles);
-
-  AutocompleteProviderClient* client_;
-  Builtins builtins_;
-
-  DISALLOW_COPY_AND_ASSIGN(BuiltinProvider);
-};
-
-#endif  // CHROME_BROWSER_AUTOCOMPLETE_BUILTIN_PROVIDER_H_