reland 31875. Revert was:...

chrome/common/render_messages.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_COMMON_RENDER_MESSAGES_H_
 #define CHROME_COMMON_RENDER_MESSAGES_H_
 
 #include <string>
 #include <vector>
 #include <map>
 
 #include "app/clipboard/clipboard.h"
 #include "app/gfx/native_widget_types.h"
 #include "base/basictypes.h"
+#include "base/platform_file.h"
 #include "base/ref_counted.h"
 #include "base/shared_memory.h"
 #include "base/string16.h"
 #include "chrome/browser/renderer_host/resource_handler.h"
 #include "chrome/common/common_param_traits.h"
 #include "chrome/common/css_colors.h"
 #include "chrome/common/dom_storage_type.h"
 #include "chrome/common/edit_command.h"
 #include "chrome/common/extensions/update_manifest.h"
 #include "chrome/common/extensions/url_pattern.h"
 #include "chrome/common/filter_policy.h"
 #include "chrome/common/navigation_gesture.h"
 #include "chrome/common/page_transition_types.h"
 #include "chrome/common/renderer_preferences.h"
 #include "chrome/common/transport_dib.h"
 #include "chrome/common/view_types.h"
 #include "chrome/common/webkit_param_traits.h"
 #include "googleurl/src/gurl.h"
 #include "ipc/ipc_message_utils.h"
+#include "ipc/ipc_platform_file.h"
 #include "media/audio/audio_output.h"
 #include "net/base/upload_data.h"
 #include "net/http/http_response_headers.h"
 #include "webkit/appcache/appcache_interfaces.h"
 #include "webkit/glue/context_menu.h"
 #include "webkit/glue/form_data.h"
 #include "webkit/glue/form_field.h"
 #include "webkit/glue/form_field_values.h"
 #include "webkit/glue/password_form.h"
 #include "webkit/glue/password_form_dom_manager.h"
 #include "webkit/glue/resource_loader_bridge.h"
 #include "webkit/glue/webaccessibility.h"
 #include "webkit/glue/webcookie.h"
 #include "webkit/glue/webdropdata.h"
 #include "webkit/glue/webmenuitem.h"
 #include "webkit/glue/webplugin.h"
 #include "webkit/glue/webplugininfo.h"
 #include "webkit/glue/webpreferences.h"
 
-#if defined(OS_WIN)
-#include "base/platform_file.h"
-#endif
-
 #if defined(OS_POSIX)
-#include "base/file_descriptor_posix.h"
 #endif
 
 namespace base {
 class Time;
 }
 
 class SkBitmap;
 
 // Parameters structure for ViewMsg_Navigate, which has too many data
 // parameters to be reasonably put in a predefined IPC message.
@@ skipping 334 matching lines @@
 struct ViewMsg_PrintPages_Params {
   // Parameters to render the page as a printed page. It must always be the same
   // value for all the document.
   ViewMsg_Print_Params params;
 
   // If empty, this means a request to render all the printed pages.
   std::vector<int> pages;
 };
 
 struct ViewMsg_DatabaseOpenFileResponse_Params {
-#if defined(OS_WIN)
-  base::PlatformFile file_handle;     // DB file handle
-#elif defined(OS_POSIX)
-  base::FileDescriptor file_handle;   // DB file handle
+  IPC::PlatformFileForTransit file_handle;     // DB file handle
+#if defined(OS_POSIX)
   base::FileDescriptor dir_handle;    // DB directory handle
 #endif
 };
 
 struct ViewMsg_OpenFileForPluginResponse_Params {
   // Note: if we end up having to add a directory handle, this should be
   // combined with the DatabaseOpenFileResponse_Params struct.
-#if defined(OS_WIN)
-  base::PlatformFile file_handle;
-#elif defined(OS_POSIX)
-  base::FileDescriptor file_handle;
-#endif
+  IPC::PlatformFileForTransit file_handle;
 };
 
 // Parameters to describe a rendered page.
 struct ViewHostMsg_DidPrintPage_Params {
   // A shared memory handle to the EMF data. This data can be quite large so a
   // memory map needs to be used.
   base::SharedMemoryHandle metafile_data_handle;
 
   // Size of the metafile data.
   unsigned data_size;
@@ skipping 1872 matching lines @@
   }
 };
 
 }  // namespace IPC
 
 
 #define MESSAGES_INTERNAL_FILE "chrome/common/render_messages_internal.h"
 #include "ipc/ipc_message_macros.h"
 
 #endif  // CHROME_COMMON_RENDER_MESSAGES_H_