Convert base::MemoryMappedFile to use File instead of PlatformFile.

content/shell/app/shell_main_delegate.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.
 
 #include "content/shell/app/shell_main_delegate.h"
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/lazy_instance.h"
@@ skipping 241 matching lines @@
 #endif
 
 void ShellMainDelegate::InitializeResourceBundle() {
 #if defined(OS_ANDROID)
   // In the Android case, the renderer runs with a different UID and can never
   // access the file system.  So we are passed a file descriptor to the
   // ResourceBundle pak at launch time.
   int pak_fd =
       base::GlobalDescriptors::GetInstance()->MaybeGet(kShellPakDescriptor);
   if (pak_fd != base::kInvalidPlatformFileValue) {
-    ui::ResourceBundle::InitSharedInstanceWithPakFile(pak_fd, false);
+    ui::ResourceBundle::InitSharedInstanceWithPakFile(base::File(pak_fd),
+                                                      false);
     ResourceBundle::GetSharedInstance().AddDataPackFromFile(
-        pak_fd, ui::SCALE_FACTOR_100P);
+        base::File(pak_fd), ui::SCALE_FACTOR_100P);
     return;
   }
 #endif
 
   base::FilePath pak_file;
 #if defined(OS_MACOSX)
   pak_file = GetResourcesPakFilePath();
 #else
   base::FilePath pak_dir;
 
@@ skipping 14 matching lines @@
   browser_client_.reset(new ShellContentBrowserClient);
   return browser_client_.get();
 }
 
 ContentRendererClient* ShellMainDelegate::CreateContentRendererClient() {
   renderer_client_.reset(new ShellContentRendererClient);
   return renderer_client_.get();
 }
 
 }  // namespace content