Convert base::ScopedFD to (mojo::embedder::)ScopedPlatformHandle.

mojo/edk/embedder/simple_platform_shared_buffer_posix.cc

 // Copyright 2014 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 "mojo/edk/embedder/simple_platform_shared_buffer.h"
 
 #include <stdint.h>
 #include <stdio.h>     // For |fileno()|.
 #include <sys/mman.h>  // For |mmap()|/|munmap()|.
 #include <sys/stat.h>
 #include <sys/types.h>  // For |off_t|.
 #include <unistd.h>
 
 #include <limits>
 
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_file.h"
 #include "base/logging.h"
 #include "base/posix/eintr_wrapper.h"
 #include "base/sys_info.h"
 #include "base/threading/thread_restrictions.h"
-#include "mojo/edk/embedder/platform_handle.h"
 
 // We assume that |size_t| and |off_t| (type for |ftruncate()|) fits in a
 // |uint64_t|.
 static_assert(sizeof(size_t) <= sizeof(uint64_t), "size_t too big");
 static_assert(sizeof(off_t) <= sizeof(uint64_t), "off_t too big");
 
 namespace mojo {
 namespace embedder {
 
 // SimplePlatformSharedBuffer --------------------------------------------------
@@ skipping 30 matching lines @@
     return false;
   }
   // Note: |unlink()| is not interruptible.
   if (unlink(shared_buffer_file.value().c_str()) != 0) {
     PLOG(WARNING) << "unlink";
     // This isn't "fatal" (e.g., someone else may have unlinked the file first),
     // so we may as well continue.
   }
 
   // Note: |dup()| is not interruptible (but |dup2()|/|dup3()| are).
-  base::ScopedFD fd(dup(fileno(fp.get())));
-  if (!fd.is_valid()) {
+  ScopedPlatformHandle handle(PlatformHandle(dup(fileno(fp.get()))));
+  if (!handle.is_valid()) {
     PLOG(ERROR) << "dup";
     return false;
   }
 
-  if (HANDLE_EINTR(ftruncate(fd.get(), static_cast<off_t>(num_bytes_))) != 0) {
+  if (HANDLE_EINTR(
+          ftruncate(handle.get().fd, static_cast<off_t>(num_bytes_))) != 0) {
     PLOG(ERROR) << "ftruncate";
     return false;
   }
 
-  handle_.reset(PlatformHandle(fd.release()));
+  handle_ = handle.Pass();
   return true;
 }
 
 bool SimplePlatformSharedBuffer::InitFromPlatformHandle(
     ScopedPlatformHandle platform_handle) {
   DCHECK(!handle_.is_valid());
 
   if (static_cast<uint64_t>(num_bytes_) >
       static_cast<uint64_t>(std::numeric_limits<off_t>::max())) {
     return false;
@@ skipping 53 matching lines @@
 
 // SimplePlatformSharedBufferMapping -------------------------------------------
 
 void SimplePlatformSharedBufferMapping::Unmap() {
   int result = munmap(real_base_, real_length_);
   PLOG_IF(ERROR, result != 0) << "munmap";
 }
 
 }  // namespace embedder
 }  // namespace mojo