base: Move MemoryMappedFile out of file_util.h and into its own header file.

chrome/installer/test/resource_updater.cc

 // Copyright (c) 2010 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/installer/test/resource_updater.h"
 
 #include <windows.h>
 
 #include "base/file_path.h"
 #include "base/file_util.h"

[brettw, 2013/02/22 21:28:15]

I wonder if you checked whether some of these files only depended on file_util
for the MemoryMappedFile so the old include could be deleted now?

[tfarina, 2013/02/22 22:58:54]

Done. I ran 'git grep file_util" on all files in this CL.

+#include "base/files/memory_mapped_file.h"
 #include "base/logging.h"
 
 namespace upgrade_test {
 
 ResourceUpdater::ResourceUpdater() : handle_(NULL) {
 }
 
 ResourceUpdater::~ResourceUpdater() {
   if (handle_ != NULL) {
     // An update wasn't committed, so discard it.
@@ skipping 11 matching lines @@
     return false;
   }
   return true;
 }
 
 bool ResourceUpdater::Update(const std::wstring& name,
                              const std::wstring& type,
                              WORD language_id,
                              const base::FilePath& input_file) {
   DCHECK(handle_ != NULL);
-  file_util::MemoryMappedFile input;
+  base::MemoryMappedFile input;
 
   if (input.Initialize(input_file)) {
     if (UpdateResource(handle_, type.c_str(), name.c_str(), language_id,
                        const_cast<uint8*>(input.data()), input.length())
         != FALSE) {
       return true;
     }
     PLOG(DFATAL) << "UpdateResource failed for resource \"" << name << "\"";
   } else {
     PLOG(DFATAL) << "Failed mapping \"" << input_file.value() << "\"";
   }
   return false;
 }
 
 bool ResourceUpdater::Commit() {
   DCHECK(handle_ != NULL);
   bool result = true;
   if (EndUpdateResource(handle_, FALSE) == FALSE) {
     PLOG(DFATAL) << "EndUpdateResource failed";
     result = false;
   }
   handle_ = NULL;
   return result;
 }
 
 }  // namespace upgrade_test