Make repost form warning tab-modal on Mac.

chrome/browser/tab_contents/navigation_controller.h

 // 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.
 
 #ifndef CHROME_BROWSER_TAB_CONTENTS_NAVIGATION_CONTROLLER_H_
 #define CHROME_BROWSER_TAB_CONTENTS_NAVIGATION_CONTROLLER_H_
 
 #include "build/build_config.h"
 
 #include <string>
@@ skipping 382 matching lines @@
   // 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.
   static void set_max_entry_count(size_t max_entry_count) {
     max_entry_count_ = max_entry_count;
   }
   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();
+
  private:
   class RestoreHelper;
   friend class RestoreHelper;
   friend class TabContents;  // For invoking OnReservedPageIDRange.
 
   // Classifies the given renderer navigation (see the NavigationType enum).
   NavigationType::Type ClassifyNavigation(
       const ViewHostMsg_FrameNavigate_Params& params) const;
 
   // Causes the controller to load the specified entry. The function assumes
@@ skipping 137 matching lines @@
   // The session storage id that any (indirectly) owned RenderView should use.
   int64 session_storage_namespace_id_;
 
   // Should Reload check for post data? The default is true, but is set to false
   // when testing.
   static bool check_for_repost_;
 
   // The maximum number of entries that a navigation controller can store.
   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  // CHROME_BROWSER_TAB_CONTENTS_NAVIGATION_CONTROLLER_H_