Move file_util to base/files/ directory.

base/process/memory_linux.cc

 // Copyright (c) 2013 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 "base/process/memory.h"
 
 #include <new>
 
-#include "base/file_util.h"
 #include "base/files/file_path.h"
+#include "base/files/file_util.h"
 #include "base/logging.h"
 #include "base/process/internal_linux.h"
 #include "base/strings/string_number_conversions.h"
 
 #if defined(USE_TCMALLOC)
 // Used by UncheckedMalloc. If tcmalloc is linked to the executable
 // this will be replaced by a strong symbol that actually implement
 // the semantics and don't call new handler in case the allocation fails.
 extern "C" {
 
@@ skipping 183 matching lines @@
   *result = malloc(size);
 #elif defined(LIBC_GLIBC) && !defined(USE_TCMALLOC)
   *result = __libc_malloc(size);
 #elif defined(USE_TCMALLOC)
   *result = tc_malloc_skip_new_handler_weak(size);
 #endif
   return *result != NULL;
 }
 
 }  // namespace base