Send session history offset and length parameters in the Navigate message to...

chrome/browser/tab_contents/navigation_controller.cc

 // Copyright (c) 2009 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.
 
 #include "chrome/browser/tab_contents/navigation_controller.h"
 
 #include "app/resource_bundle.h"
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "base/string_util.h"
 #include "base/time.h"
 #include "chrome/browser/browser_about_handler.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/browser_url_handler.h"
 #include "chrome/browser/in_process_webkit/dom_storage_context.h"
 #include "chrome/browser/in_process_webkit/webkit_context.h"
 #include "chrome/browser/pref_service.h"
 #include "chrome/browser/profile.h"
 #include "chrome/browser/renderer_host/site_instance.h"
 #include "chrome/browser/sessions/session_types.h"
 #include "chrome/browser/tab_contents/interstitial_page.h"
 #include "chrome/browser/tab_contents/navigation_entry.h"
 #include "chrome/browser/tab_contents/tab_contents.h"
 #include "chrome/browser/tab_contents/tab_contents_delegate.h"
+#include "chrome/common/chrome_constants.h"
 #include "chrome/common/navigation_types.h"
 #include "chrome/common/notification_service.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/render_messages.h"
 #include "chrome/common/url_constants.h"
 #include "grit/app_resources.h"
 #include "net/base/escape.h"
 #include "net/base/net_util.h"
 #include "net/base/mime_util.h"
 #include "webkit/glue/webkit_glue.h"
@@ skipping 72 matching lines @@
 // be automatic (i.e., machine-initiated) rather than user-initiated unless
 // a user gesture has been observed.
 const base::TimeDelta kMaxAutoNavigationTimeDelta =
     base::TimeDelta::FromSeconds(5);
 
 }  // namespace
 
 // NavigationController ---------------------------------------------------
 
 // static
-size_t NavigationController::max_entry_count_ = 50;
+size_t NavigationController::max_entry_count_ =
+    chrome::kMaxSessionHistoryEntries;
 
 // static
 bool NavigationController::check_for_repost_ = true;
 
 // Creates a new NavigationEntry for each TabNavigation in navigations, adding
 // the NavigationEntry to entries. This is used during session restore.
 static void CreateNavigationEntriesFromTabNavigations(
     const std::vector<TabNavigation>& navigations,
     std::vector<linked_ptr<NavigationEntry> >* entries) {
   // Create a NavigationEntry for each of the navigations.
@@ skipping 969 matching lines @@
       return i;
   }
   return -1;
 }
 
 NavigationEntry* NavigationController::GetTransientEntry() const {
   if (transient_entry_index_ == -1)
     return NULL;
   return entries_[transient_entry_index_].get();
 }