more content exports needed for unit_tests and browser_tests.

content/browser/tab_contents/navigation_controller.h

 // Copyright (c) 2011 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 CONTENT_BROWSER_TAB_CONTENTS_NAVIGATION_CONTROLLER_H_
 #define CONTENT_BROWSER_TAB_CONTENTS_NAVIGATION_CONTROLLER_H_
 #pragma once
 
 #include "build/build_config.h"
 
@@ skipping 293 matching lines @@
   // The session storage namespace that all child render views should use.
   SessionStorageNamespace* session_storage_namespace() const {
     return session_storage_namespace_;
   }
 
   // Disables checking for a repost and prompting the user. This is used during
   // testing.
   static void DisablePromptOnRepost();
 
   // Maximum number of entries before we start removing entries from the front.
-#ifdef UNIT_TEST
-  static void set_max_entry_count(size_t max_entry_count) {
+  static void set_max_entry_count_for_testing(size_t max_entry_count) {
     max_entry_count_ = max_entry_count;
   }
-#endif
   static size_t max_entry_count() { return max_entry_count_; }
 
   // Cancels a repost that brought up a warning.
   void CancelPendingReload();
   // Continues a repost that brought up a warning.
   void ContinuePendingReload();
 
   // Returns true if we are navigating to the URL the tab is opened with.
   bool IsInitialNavigation();
 
@@ skipping 152 matching lines @@
   static size_t max_entry_count_;
 
   // If a repost is pending, its type (RELOAD or RELOAD_IGNORING_CACHE),
   // NO_RELOAD otherwise.
   ReloadType pending_reload_;
 
   DISALLOW_COPY_AND_ASSIGN(NavigationController);
 };
 
 #endif  // CONTENT_BROWSER_TAB_CONTENTS_NAVIGATION_CONTROLLER_H_