Revert 56939 - History provider: style cleanup...

chrome/browser/autocomplete/history_provider_util.h

-// Copyright (c) 2010 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_HISTORY_PROVIDER_UTIL_H_
-#define CHROME_BROWSER_AUTOCOMPLETE_HISTORY_PROVIDER_UTIL_H_
-#pragma once
-
-#include <deque>
-#include <vector>
-
-#include "chrome/browser/history/history_types.h"
-
-namespace history {
-
-// Constants which specify, when considered altogether, 'significant'
-// history items. These are used to filter out insignificant items
-// for consideration as autocomplete candidates.
-extern const int kLowQualityMatchTypedLimit;
-extern const int kLowQualityMatchVisitLimit;
-extern const int kLowQualityMatchAgeLimitInDays;
-
-// Used for intermediate history result operations.
-struct HistoryMatch {
-  // Required for STL, we don't use this directly.
-  HistoryMatch();
-
-  HistoryMatch(const URLRow& url_info,
-               size_t input_location,
-               bool match_in_scheme,
-               bool innermost_match);
-
-  bool operator==(const GURL& url) const;
-
-  URLRow url_info;
-
-  // The offset of the user's input within the URL.
-  size_t input_location;
-
-  // Whether this is a match in the scheme.  This determines whether we'll go
-  // ahead and show a scheme on the URL even if the user didn't type one.
-  // If our best match was in the scheme, not showing the scheme is both
-  // confusing and, for inline autocomplete of the fill_into_edit, dangerous.
-  // (If the user types "h" and we match "http://foo/", we need to inline
-  // autocomplete that, not "foo/", which won't show anything at all, and
-  // will mislead the user into thinking the What You Typed match is what's
-  // selected.)
-  bool match_in_scheme;
-
-  // A match after any scheme/"www.", if the user input could match at both
-  // locations.  If the user types "w", an innermost match ("website.com") is
-  // better than a non-innermost match ("www.google.com").  If the user types
-  // "x", no scheme in our prefix list (or "www.") begins with x, so all
-  // matches are, vacuously, "innermost matches".
-  bool innermost_match;
-};
-typedef std::deque<HistoryMatch> HistoryMatches;
-
-struct Prefix {
-  Prefix(const std::wstring& prefix, int num_components)
-      : prefix(prefix),
-        num_components(num_components) {}
-
-  std::wstring prefix;
-
-  // The number of "components" in the prefix.  The scheme is a component,
-  // and the initial "www." or "ftp." is a component.  So "http://foo.com"
-  // and "www.bar.com" each have one component, "ftp://ftp.ftp.com" has two,
-  // and "mysite.com" has none.  This is used to tell whether the user's
-  // input is an innermost match or not.  See comments in HistoryMatch.
-  int num_components;
-};
-typedef std::vector<Prefix> Prefixes;
-
-// Returns the date threshold for considering an history item as significant.
-base::Time AutocompleteAgeThreshold();
-
-}
-
-#endif  // CHROME_BROWSER_AUTOCOMPLETE_HISTORY_PROVIDER_UTIL_H_