First version of the time slicing on the urls. Not ready for review yet.

chrome/browser/history/history.cc

 // 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.
 
 // The history system runs on a background thread so that potentially slow
 // database operations don't delay the browser. This backend processing is
 // represented by HistoryBackend. The HistoryService's job is to dispatch to
 // that thread.
 //
 // Main thread                       History thread
@@ skipping 21 matching lines @@
 #include "base/string_util.h"
 #include "base/threading/thread.h"
 #include "chrome/browser/autocomplete/history_url_provider.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/history/history_backend.h"
 #include "chrome/browser/history/history_notifications.h"
 #include "chrome/browser/history/history_types.h"
 #include "chrome/browser/history/in_memory_database.h"
 #include "chrome/browser/history/in_memory_history_backend.h"
 #include "chrome/browser/history/in_memory_url_index.h"
+#include "chrome/browser/history/time_filter.h"
 #include "chrome/browser/history/top_sites.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/profile_error_dialog.h"
 #include "chrome/browser/visitedlink/visitedlink_master.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/thumbnail_score.h"
@@ skipping 574 matching lines @@
     int result_count,
     int days_back,
     CancelableRequestConsumerBase* consumer,
     const QueryMostVisitedURLsCallback& callback) {
   return Schedule(PRIORITY_NORMAL, &HistoryBackend::QueryMostVisitedURLs,
                   consumer,
                   new history::QueryMostVisitedURLsRequest(callback),
                   result_count, days_back);
 }
 
+HistoryService::Handle HistoryService::QueryMostVisitedURLsDuringTime(
+    int result_count,
+    const history::TimeFilter& filter,
+    CancelableRequestConsumerBase* consumer,
+    const QueryMostVisitedURLsCallback& callback) {
+  return Schedule(PRIORITY_NORMAL,
+                  &HistoryBackend::QueryMostVisitedURLsDuringTime,
+                  consumer,
+                  new history::QueryMostVisitedURLsRequest(callback),
+                  result_count, filter);
+}
+
 void HistoryService::Observe(int type,
                              const content::NotificationSource& source,
                              const content::NotificationDetails& details) {
   if (!thread_)
     return;
 
   switch (type) {
     case chrome::NOTIFICATION_HISTORY_URLS_DELETED: {
       // Update the visited link system for deleted URLs. We will update the
       // visited link system for added URLs as soon as we get the add
@@ skipping 211 matching lines @@
     history::TopSites* ts = profile_->GetTopSitesWithoutCreating();
     if (ts)
       ts->MigrateFromHistory();
   }
 }
 
 void HistoryService::OnTopSitesReady() {
   ScheduleAndForget(PRIORITY_NORMAL,
                     &HistoryBackend::MigrateThumbnailsDatabase);
 }