Clean up a few more unused globals.

Found by clang's new -Wunused-const-variable.

BUG=290204
R=akalin@chromium.org, avi@chromium.org, isherman@chromium.org, jamesr@chromium.org, joi@chromium.org, sergeyu@chromium.org, sky@chromium.org, thestig@chromium.org, xhwang@chromium.org

Review URL: https://codereview.chromium.org/24649002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@225273 0039d316-1c4b-4281-b951-d872f2087c98

3 files changed, 6 insertions, 29 deletions

diff --git a/chrome/browser/history/expire_history_backend.cc b/chrome/browser/history/expire_history_backend.cc
index aa7ede3..10460d4 100644
--- a/chrome/browser/history/expire_history_backend.cc
+++ b/chrome/browser/history/expire_history_backend.cc
@@ -136,14 +136,6 @@ const int kExpirationDelaySec = 30;
 // iteration, so we want to wait longer before checking to avoid wasting CPU.
 const int kExpirationEmptyDelayMin = 5;
 
-// The number of minutes that we wait for before scheduling a task to
-// delete old history index files.
-const int kIndexExpirationDelayMin = 2;
-
-// The number of the most recent months for which we do not want to delete
-// the history index files.
-const int kStoreHistoryIndexesForMonths = 3;
-
 }  // namespace
 
 struct ExpireHistoryBackend::DeleteDependencies {
diff --git a/chrome/browser/history/history_backend.cc b/chrome/browser/history/history_backend.cc
index 07f18ed..e23a51e 100644
--- a/chrome/browser/history/history_backend.cc
+++ b/chrome/browser/history/history_backend.cc
@@ -80,29 +80,25 @@ namespace history {
 // This value needs to be greater or equal to
 // MostVisitedModel::kMostVisitedScope but we don't want to introduce a direct
 // dependency between MostVisitedModel and the history backend.
-static const int kSegmentDataRetention = 90;
+const int kSegmentDataRetention = 90;
 
 // How long we'll wait to do a commit, so that things are batched together.
-static const int kCommitIntervalSeconds = 10;
+const int kCommitIntervalSeconds = 10;
 
 // The amount of time before we re-fetch the favicon.
-static const int kFaviconRefetchDays = 7;
-
-// GetSessionTabs returns all open tabs, or tabs closed kSessionCloseTimeWindow
-// seconds ago.
-static const int kSessionCloseTimeWindowSecs = 10;
+const int kFaviconRefetchDays = 7;
 
 // The maximum number of items we'll allow in the redirect list before
 // deleting some.
-static const int kMaxRedirectCount = 32;
+const int kMaxRedirectCount = 32;
 
 // The number of days old a history entry can be before it is considered "old"
 // and is archived.
-static const int kArchiveDaysThreshold = 90;
+const int kArchiveDaysThreshold = 90;
 
 #if defined(OS_ANDROID)
 // The maximum number of top sites to track when recording top page visit stats.
-static const size_t kPageVisitStatsMaxTopSites = 50;
+const size_t kPageVisitStatsMaxTopSites = 50;
 #endif
 
 // Converts from PageUsageData to MostVisitedURL. |redirects| is a
diff --git a/chrome/browser/history/in_memory_url_index_types.cc b/chrome/browser/history/in_memory_url_index_types.cc
index 1006b50..9307d5b 100644
--- a/chrome/browser/history/in_memory_url_index_types.cc
+++ b/chrome/browser/history/in_memory_url_index_types.cc
@@ -18,17 +18,6 @@
 
 namespace history {
 
-// The maximum score any candidate result can achieve.
-const int kMaxTotalScore = 1425;
-
-// Score ranges used to get a 'base' score for each of the scoring factors
-// (such as recency of last visit, times visited, times the URL was typed,
-// and the quality of the string match). There is a matching value range for
-// each of these scores for each factor. Note that the top score is greater
-// than |kMaxTotalScore|. The score for each candidate will be capped in the
-// final calculation.
-const int kScoreRank[] = { 1450, 1200, 900, 400 };
-
 // Matches within URL and Title Strings ----------------------------------------
 
 string16 CleanUpUrlForMatching(const GURL& gurl,